21553290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 44309430

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 41, 45, 54, 55, 59, 66, 81, 82, 90, 99, 110, 118, 123, 135, 162, 165, 177, 198, 205, 246, 270, 295, 297, 330, 354, 369, 405, 410, 451, 495, 531, 590, 594, 615, 649, 738, 810, 885, 891, 902, 990, 1062, 1107, 1230, 1298, 1353, 1485, 1593, 1770, 1782, 1845, 1947, 2214, 2255, 2419, 2655, 2706, 2970, 3186, 3245, 3321, 3690, 3894, 4059, 4455, 4510, 4779, 4838, 5310, 5535, 5841, 6490, 6642, 6765, 7257, 7965, 8118, 8910, 9558, 9735, 11070, 11682, 12095, 12177, 13530, 14514, 15930, 16605, 17523, 19470, 20295, 21771, 23895, 24190, 24354, 26609, 29205, 33210, 35046, 36285, 36531, 40590, 43542, 47790, 52569, 53218, 58410, 60885, 65313, 72570, 73062, 79827, 87615, 105138, 108855, 121770, 130626, 133045, 159654, 175230, 182655, 195939, 217710, 239481, 262845, 266090, 326565, 365310, 391878, 399135, 478962, 525690, 653130, 718443, 798270, 979695, 1197405, 1436886, 1959390, 2155329, 2394810, 3592215, 4310658, 7184430, 10776645, 21553290]

約数ペア:

[(1, 21553290), (2, 10776645), (3, 7184430), (5, 4310658), (6, 3592215), (9, 2394810), (10, 2155329), (11, 1959390), (15, 1436886), (18, 1197405), (22, 979695), (27, 798270), (30, 718443), (33, 653130), (41, 525690), (45, 478962), (54, 399135), (55, 391878), (59, 365310), (66, 326565), (81, 266090), (82, 262845), (90, 239481), (99, 217710), (110, 195939), (118, 182655), (123, 175230), (135, 159654), (162, 133045), (165, 130626), (177, 121770), (198, 108855), (205, 105138), (246, 87615), (270, 79827), (295, 73062), (297, 72570), (330, 65313), (354, 60885), (369, 58410), (405, 53218), (410, 52569), (451, 47790), (495, 43542), (531, 40590), (590, 36531), (594, 36285), (615, 35046), (649, 33210), (738, 29205), (810, 26609), (885, 24354), (891, 24190), (902, 23895), (990, 21771), (1062, 20295), (1107, 19470), (1230, 17523), (1298, 16605), (1353, 15930), (1485, 14514), (1593, 13530), (1770, 12177), (1782, 12095), (1845, 11682), (1947, 11070), (2214, 9735), (2255, 9558), (2419, 8910), (2655, 8118), (2706, 7965), (2970, 7257), (3186, 6765), (3245, 6642), (3321, 6490), (3690, 5841), (3894, 5535), (4059, 5310), (4455, 4838), (4510, 4779)]