21945185936

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{438623}}^1$

素因数の和:438743

約数の個数: 40

約数和(自身を含む): 44055394560

約数和(自身を除く): 22110208624

約数列:

[1, 2, 4, 8, 16, 53, 59, 106, 118, 212, 236, 424, 472, 848, 944, 3127, 6254, 12508, 25016, 50032, 438623, 877246, 1754492, 3508984, 7017968, 23247019, 25878757, 46494038, 51757514, 92988076, 103515028, 185976152, 207030056, 371952304, 414060112, 1371574121, 2743148242, 5486296484, 10972592968, 21945185936]

約数ペア:

[(1, 21945185936), (2, 10972592968), (4, 5486296484), (8, 2743148242), (16, 1371574121), (53, 414060112), (59, 371952304), (106, 207030056), (118, 185976152), (212, 103515028), (236, 92988076), (424, 51757514), (472, 46494038), (848, 25878757), (944, 23247019), (3127, 7017968), (6254, 3508984), (12508, 1754492), (25016, 877246), (50032, 438623)]