21589702940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{110569}}^1$

素因数の和:111342

約数の個数: 48

約数和(自身を含む): 48891400320

約数和(自身を除く): 27301697380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 751, 1502, 3004, 3755, 7510, 9763, 15020, 19526, 39052, 48815, 97630, 110569, 195260, 221138, 442276, 552845, 1105690, 1437397, 2211380, 2874794, 5749588, 7186985, 14373970, 28747940, 83037319, 166074638, 332149276, 415186595, 830373190, 1079485147, 1660746380, 2158970294, 4317940588, 5397425735, 10794851470, 21589702940]

約数ペア:

[(1, 21589702940), (2, 10794851470), (4, 5397425735), (5, 4317940588), (10, 2158970294), (13, 1660746380), (20, 1079485147), (26, 830373190), (52, 415186595), (65, 332149276), (130, 166074638), (260, 83037319), (751, 28747940), (1502, 14373970), (3004, 7186985), (3755, 5749588), (7510, 2874794), (9763, 2211380), (15020, 1437397), (19526, 1105690), (39052, 552845), (48815, 442276), (97630, 221138), (110569, 195260)]