21376562805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1\times {\mathrm{9133}}^1$

素因数の和:13158

約数の個数: 48

約数和(自身を含む): 39917260656

約数和(自身を除く): 18540697851

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 4001, 9133, 12003, 20005, 27399, 36009, 45665, 52013, 60015, 82197, 118729, 136995, 156039, 180045, 260065, 356187, 410985, 468117, 593645, 780195, 1068561, 1780935, 2340585, 5342805, 36541133, 109623399, 182705665, 328870197, 475034729, 548116995, 1425104187, 1644350985, 2375173645, 4275312561, 7125520935, 21376562805]

約数ペア:

[(1, 21376562805), (3, 7125520935), (5, 4275312561), (9, 2375173645), (13, 1644350985), (15, 1425104187), (39, 548116995), (45, 475034729), (65, 328870197), (117, 182705665), (195, 109623399), (585, 36541133), (4001, 5342805), (9133, 2340585), (12003, 1780935), (20005, 1068561), (27399, 780195), (36009, 593645), (45665, 468117), (52013, 410985), (60015, 356187), (82197, 260065), (118729, 180045), (136995, 156039)]