21539844

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3534

約数の個数: 60

約数和(自身を含む): 59290000

約数和(自身を除く): 37750156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3499, 6156, 6998, 10497, 13996, 20994, 31491, 41988, 62982, 66481, 94473, 125964, 132962, 188946, 199443, 265924, 283419, 377892, 398886, 566838, 598329, 797772, 1133676, 1196658, 1794987, 2393316, 3589974, 5384961, 7179948, 10769922, 21539844]

約数ペア:

[(1, 21539844), (2, 10769922), (3, 7179948), (4, 5384961), (6, 3589974), (9, 2393316), (12, 1794987), (18, 1196658), (19, 1133676), (27, 797772), (36, 598329), (38, 566838), (54, 398886), (57, 377892), (76, 283419), (81, 265924), (108, 199443), (114, 188946), (162, 132962), (171, 125964), (228, 94473), (324, 66481), (342, 62982), (513, 41988), (684, 31491), (1026, 20994), (1539, 13996), (2052, 10497), (3078, 6998), (3499, 6156)]