21000775050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{33647}}^1$

素因数の和:33757

約数の個数: 144

約数和(自身を含む): 60207039360

約数和(自身を除く): 39206264310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 73, 75, 90, 95, 114, 146, 150, 171, 190, 219, 225, 285, 342, 365, 438, 450, 475, 570, 657, 730, 855, 950, 1095, 1314, 1387, 1425, 1710, 1825, 2190, 2774, 2850, 3285, 3650, 4161, 4275, 5475, 6570, 6935, 8322, 8550, 10950, 12483, 13870, 16425, 20805, 24966, 32850, 33647, 34675, 41610, 62415, 67294, 69350, 100941, 104025, 124830, 168235, 201882, 208050, 302823, 312075, 336470, 504705, 605646, 624150, 639293, 841175, 1009410, 1278586, 1514115, 1682350, 1917879, 2456231, 2523525, 3028230, 3196465, 3835758, 4912462, 5047050, 5753637, 6392930, 7368693, 7570575, 9589395, 11507274, 12281155, 14737386, 15141150, 15982325, 19178790, 22106079, 24562310, 28768185, 31964650, 36843465, 44212158, 46668389, 47946975, 57536370, 61405775, 73686930, 93336778, 95893950, 110530395, 122811550, 140005167, 143840925, 184217325, 221060790, 233341945, 280010334, 287681850, 368434650, 420015501, 466683890, 552651975, 700025835, 840031002, 1105303950, 1166709725, 1400051670, 2100077505, 2333419450, 3500129175, 4200155010, 7000258350, 10500387525, 21000775050]

約数ペア:

[(1, 21000775050), (2, 10500387525), (3, 7000258350), (5, 4200155010), (6, 3500129175), (9, 2333419450), (10, 2100077505), (15, 1400051670), (18, 1166709725), (19, 1105303950), (25, 840031002), (30, 700025835), (38, 552651975), (45, 466683890), (50, 420015501), (57, 368434650), (73, 287681850), (75, 280010334), (90, 233341945), (95, 221060790), (114, 184217325), (146, 143840925), (150, 140005167), (171, 122811550), (190, 110530395), (219, 95893950), (225, 93336778), (285, 73686930), (342, 61405775), (365, 57536370), (438, 47946975), (450, 46668389), (475, 44212158), (570, 36843465), (657, 31964650), (730, 28768185), (855, 24562310), (950, 22106079), (1095, 19178790), (1314, 15982325), (1387, 15141150), (1425, 14737386), (1710, 12281155), (1825, 11507274), (2190, 9589395), (2774, 7570575), (2850, 7368693), (3285, 6392930), (3650, 5753637), (4161, 5047050), (4275, 4912462), (5475, 3835758), (6570, 3196465), (6935, 3028230), (8322, 2523525), (8550, 2456231), (10950, 1917879), (12483, 1682350), (13870, 1514115), (16425, 1278586), (20805, 1009410), (24966, 841175), (32850, 639293), (33647, 624150), (34675, 605646), (41610, 504705), (62415, 336470), (67294, 312075), (69350, 302823), (100941, 208050), (104025, 201882), (124830, 168235)]