21957858

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 54297600

約数和(自身を除く): 32339742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 186, 234, 279, 351, 403, 558, 702, 806, 837, 1009, 1209, 1674, 2018, 2418, 3027, 3627, 6054, 7254, 9081, 10881, 13117, 18162, 21762, 26234, 27243, 31279, 39351, 54486, 62558, 78702, 93837, 118053, 187674, 236106, 281511, 354159, 406627, 563022, 708318, 813254, 844533, 1219881, 1689066, 2439762, 3659643, 7319286, 10978929, 21957858]

約数ペア:

[(1, 21957858), (2, 10978929), (3, 7319286), (6, 3659643), (9, 2439762), (13, 1689066), (18, 1219881), (26, 844533), (27, 813254), (31, 708318), (39, 563022), (54, 406627), (62, 354159), (78, 281511), (93, 236106), (117, 187674), (186, 118053), (234, 93837), (279, 78702), (351, 62558), (403, 54486), (558, 39351), (702, 31279), (806, 27243), (837, 26234), (1009, 21762), (1209, 18162), (1674, 13117), (2018, 10881), (2418, 9081), (3027, 7254), (3627, 6054)]