21935640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3449}}^1$

素因数の和:3516

約数の個数: 64

約数和(自身を含む): 67068000

約数和(自身を除く): 45132360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3449, 6360, 6898, 10347, 13796, 17245, 20694, 27592, 34490, 41388, 51735, 68980, 82776, 103470, 137960, 182797, 206940, 365594, 413880, 548391, 731188, 913985, 1096782, 1462376, 1827970, 2193564, 2741955, 3655940, 4387128, 5483910, 7311880, 10967820, 21935640]

約数ペア:

[(1, 21935640), (2, 10967820), (3, 7311880), (4, 5483910), (5, 4387128), (6, 3655940), (8, 2741955), (10, 2193564), (12, 1827970), (15, 1462376), (20, 1096782), (24, 913985), (30, 731188), (40, 548391), (53, 413880), (60, 365594), (106, 206940), (120, 182797), (159, 137960), (212, 103470), (265, 82776), (318, 68980), (424, 51735), (530, 41388), (636, 34490), (795, 27592), (1060, 20694), (1272, 17245), (1590, 13796), (2120, 10347), (3180, 6898), (3449, 6360)]