21306073680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9863923}}^1$

素因数の和:9863945

約数の個数: 80

約数和(自身を含む): 73387594560

約数和(自身を除く): 52081520880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9863923, 19727846, 29591769, 39455692, 49319615, 59183538, 78911384, 88775307, 98639230, 118367076, 147958845, 157822768, 177550614, 197278460, 236734152, 266325921, 295917690, 355101228, 394556920, 443876535, 473468304, 532651842, 591835380, 710202456, 789113840, 887753070, 1065303684, 1183670760, 1331629605, 1420404912, 1775506140, 2130607368, 2367341520, 2663259210, 3551012280, 4261214736, 5326518420, 7102024560, 10653036840, 21306073680]

約数ペア:

[(1, 21306073680), (2, 10653036840), (3, 7102024560), (4, 5326518420), (5, 4261214736), (6, 3551012280), (8, 2663259210), (9, 2367341520), (10, 2130607368), (12, 1775506140), (15, 1420404912), (16, 1331629605), (18, 1183670760), (20, 1065303684), (24, 887753070), (27, 789113840), (30, 710202456), (36, 591835380), (40, 532651842), (45, 473468304), (48, 443876535), (54, 394556920), (60, 355101228), (72, 295917690), (80, 266325921), (90, 236734152), (108, 197278460), (120, 177550614), (135, 157822768), (144, 147958845), (180, 118367076), (216, 98639230), (240, 88775307), (270, 78911384), (360, 59183538), (432, 49319615), (540, 39455692), (720, 29591769), (1080, 19727846), (2160, 9863923)]