21937770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2668

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 38473110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2621, 2790, 4185, 5242, 7863, 8370, 13105, 15726, 23589, 26210, 39315, 47178, 70767, 78630, 81251, 117945, 141534, 162502, 235890, 243753, 353835, 406255, 487506, 707670, 731259, 812510, 1218765, 1462518, 2193777, 2437530, 3656295, 4387554, 7312590, 10968885, 21937770]

約数ペア:

[(1, 21937770), (2, 10968885), (3, 7312590), (5, 4387554), (6, 3656295), (9, 2437530), (10, 2193777), (15, 1462518), (18, 1218765), (27, 812510), (30, 731259), (31, 707670), (45, 487506), (54, 406255), (62, 353835), (90, 243753), (93, 235890), (135, 162502), (155, 141534), (186, 117945), (270, 81251), (279, 78630), (310, 70767), (465, 47178), (558, 39315), (837, 26210), (930, 23589), (1395, 15726), (1674, 13105), (2621, 8370), (2790, 7863), (4185, 5242)]