21302490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64553}}^1$

素因数の和:64574

約数の個数: 32

約数和(自身を含む): 55774656

約数和(自身を除く): 34472166

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64553, 129106, 193659, 322765, 387318, 645530, 710083, 968295, 1420166, 1936590, 2130249, 3550415, 4260498, 7100830, 10651245, 21302490]

約数ペア:

[(1, 21302490), (2, 10651245), (3, 7100830), (5, 4260498), (6, 3550415), (10, 2130249), (11, 1936590), (15, 1420166), (22, 968295), (30, 710083), (33, 645530), (55, 387318), (66, 322765), (110, 193659), (165, 129106), (330, 64553)]