21310770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 56173824

約数和(自身を除く): 34863054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1031, 1378, 1590, 2062, 2067, 3093, 3445, 4134, 5155, 6186, 6890, 10310, 10335, 13403, 15465, 20670, 26806, 30930, 40209, 54643, 67015, 80418, 109286, 134030, 163929, 201045, 273215, 327858, 402090, 546430, 710359, 819645, 1420718, 1639290, 2131077, 3551795, 4262154, 7103590, 10655385, 21310770]

約数ペア:

[(1, 21310770), (2, 10655385), (3, 7103590), (5, 4262154), (6, 3551795), (10, 2131077), (13, 1639290), (15, 1420718), (26, 819645), (30, 710359), (39, 546430), (53, 402090), (65, 327858), (78, 273215), (106, 201045), (130, 163929), (159, 134030), (195, 109286), (265, 80418), (318, 67015), (390, 54643), (530, 40209), (689, 30930), (795, 26806), (1031, 20670), (1378, 15465), (1590, 13403), (2062, 10335), (2067, 10310), (3093, 6890), (3445, 6186), (4134, 5155)]