21167741920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1237}}^1$

素因数の和:1717

約数の個数: 192

約数和(自身を含む): 56866985280

約数和(自身を除く): 35699243360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 433, 494, 520, 608, 760, 866, 988, 1040, 1235, 1237, 1520, 1732, 1976, 2080, 2165, 2470, 2474, 3040, 3464, 3952, 4330, 4940, 4948, 5629, 6185, 6928, 7904, 8227, 8660, 9880, 9896, 11258, 12370, 13856, 16081, 16454, 17320, 19760, 19792, 22516, 23503, 24740, 28145, 32162, 32908, 34640, 39520, 39584, 41135, 45032, 47006, 49480, 56290, 64324, 65816, 69280, 80405, 82270, 90064, 94012, 98960, 106951, 112580, 117515, 128648, 131632, 160810, 164540, 180128, 188024, 197920, 213902, 225160, 235030, 257296, 263264, 305539, 321620, 329080, 376048, 427804, 450320, 470060, 514592, 534755, 535621, 611078, 643240, 658160, 752096, 855608, 900640, 940120, 1069510, 1071242, 1222156, 1286480, 1316320, 1527695, 1711216, 1880240, 2139020, 2142484, 2444312, 2572960, 2678105, 3055390, 3422432, 3760480, 4278040, 4284968, 4888624, 5356210, 6110780, 6963073, 8556080, 8569936, 9777248, 10176799, 10712420, 12221560, 13926146, 17112160, 17139872, 20353598, 21424840, 24443120, 27852292, 34815365, 40707196, 42849680, 48886240, 50883995, 55704584, 69630730, 81414392, 85699360, 101767990, 111409168, 132298387, 139261460, 162828784, 203535980, 222818336, 264596774, 278522920, 325657568, 407071960, 529193548, 557045840, 661491935, 814143920, 1058387096, 1114091680, 1322983870, 1628287840, 2116774192, 2645967740, 4233548384, 5291935480, 10583870960, 21167741920]

約数ペア:

[(1, 21167741920), (2, 10583870960), (4, 5291935480), (5, 4233548384), (8, 2645967740), (10, 2116774192), (13, 1628287840), (16, 1322983870), (19, 1114091680), (20, 1058387096), (26, 814143920), (32, 661491935), (38, 557045840), (40, 529193548), (52, 407071960), (65, 325657568), (76, 278522920), (80, 264596774), (95, 222818336), (104, 203535980), (130, 162828784), (152, 139261460), (160, 132298387), (190, 111409168), (208, 101767990), (247, 85699360), (260, 81414392), (304, 69630730), (380, 55704584), (416, 50883995), (433, 48886240), (494, 42849680), (520, 40707196), (608, 34815365), (760, 27852292), (866, 24443120), (988, 21424840), (1040, 20353598), (1235, 17139872), (1237, 17112160), (1520, 13926146), (1732, 12221560), (1976, 10712420), (2080, 10176799), (2165, 9777248), (2470, 8569936), (2474, 8556080), (3040, 6963073), (3464, 6110780), (3952, 5356210), (4330, 4888624), (4940, 4284968), (4948, 4278040), (5629, 3760480), (6185, 3422432), (6928, 3055390), (7904, 2678105), (8227, 2572960), (8660, 2444312), (9880, 2142484), (9896, 2139020), (11258, 1880240), (12370, 1711216), (13856, 1527695), (16081, 1316320), (16454, 1286480), (17320, 1222156), (19760, 1071242), (19792, 1069510), (22516, 940120), (23503, 900640), (24740, 855608), (28145, 752096), (32162, 658160), (32908, 643240), (34640, 611078), (39520, 535621), (39584, 534755), (41135, 514592), (45032, 470060), (47006, 450320), (49480, 427804), (56290, 376048), (64324, 329080), (65816, 321620), (69280, 305539), (80405, 263264), (82270, 257296), (90064, 235030), (94012, 225160), (98960, 213902), (106951, 197920), (112580, 188024), (117515, 180128), (128648, 164540), (131632, 160810)]