21024305860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{45707}}^1$

素因数の和:46036

約数の個数: 48

約数和(自身を含む): 44768243520

約数和(自身を除く): 23743937660

約数列:

[1, 2, 4, 5, 10, 20, 109, 211, 218, 422, 436, 545, 844, 1055, 1090, 2110, 2180, 4220, 22999, 45707, 45998, 91414, 91996, 114995, 182828, 228535, 229990, 457070, 459980, 914140, 4982063, 9644177, 9964126, 19288354, 19928252, 24910315, 38576708, 48220885, 49820630, 96441770, 99641260, 192883540, 1051215293, 2102430586, 4204861172, 5256076465, 10512152930, 21024305860]

約数ペア:

[(1, 21024305860), (2, 10512152930), (4, 5256076465), (5, 4204861172), (10, 2102430586), (20, 1051215293), (109, 192883540), (211, 99641260), (218, 96441770), (422, 49820630), (436, 48220885), (545, 38576708), (844, 24910315), (1055, 19928252), (1090, 19288354), (2110, 9964126), (2180, 9644177), (4220, 4982063), (22999, 914140), (45707, 459980), (45998, 457070), (91414, 229990), (91996, 228535), (114995, 182828)]