21712938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 48580896

約数和(自身を除く): 26867958

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 331, 377, 662, 754, 841, 993, 1131, 1682, 1986, 2262, 2523, 4303, 5046, 8606, 9599, 10933, 12909, 19198, 21866, 25818, 28797, 32799, 57594, 65598, 124787, 249574, 278371, 374361, 556742, 748722, 835113, 1670226, 3618823, 7237646, 10856469, 21712938]

約数ペア:

[(1, 21712938), (2, 10856469), (3, 7237646), (6, 3618823), (13, 1670226), (26, 835113), (29, 748722), (39, 556742), (58, 374361), (78, 278371), (87, 249574), (174, 124787), (331, 65598), (377, 57594), (662, 32799), (754, 28797), (841, 25818), (993, 21866), (1131, 19198), (1682, 12909), (1986, 10933), (2262, 9599), (2523, 8606), (4303, 5046)]