21906088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4649}}^1$

素因数の和:4705

約数の個数: 32

約数和(自身を含む): 44640000

約数和(自身を除く): 22733912

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4649, 4712, 9298, 18596, 37192, 88331, 144119, 176662, 288238, 353324, 576476, 706648, 1152952, 2738261, 5476522, 10953044, 21906088]

約数ペア:

[(1, 21906088), (2, 10953044), (4, 5476522), (8, 2738261), (19, 1152952), (31, 706648), (38, 576476), (62, 353324), (76, 288238), (124, 176662), (152, 144119), (248, 88331), (589, 37192), (1178, 18596), (2356, 9298), (4649, 4712)]