21522456

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2745

約数の個数: 64

約数和(自身を含む): 61423200

約数和(自身を除く): 39900744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 2693, 3996, 5386, 7992, 8079, 10772, 16158, 21544, 24237, 32316, 48474, 64632, 72711, 96948, 99641, 145422, 193896, 199282, 290844, 298923, 398564, 581688, 597846, 797128, 896769, 1195692, 1793538, 2391384, 2690307, 3587076, 5380614, 7174152, 10761228, 21522456]

約数ペア:

[(1, 21522456), (2, 10761228), (3, 7174152), (4, 5380614), (6, 3587076), (8, 2690307), (9, 2391384), (12, 1793538), (18, 1195692), (24, 896769), (27, 797128), (36, 597846), (37, 581688), (54, 398564), (72, 298923), (74, 290844), (108, 199282), (111, 193896), (148, 145422), (216, 99641), (222, 96948), (296, 72711), (333, 64632), (444, 48474), (666, 32316), (888, 24237), (999, 21544), (1332, 16158), (1998, 10772), (2664, 8079), (2693, 7992), (3996, 5386)]