21622728

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34364472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 89, 106, 159, 178, 191, 212, 267, 318, 356, 382, 424, 534, 573, 636, 712, 764, 1068, 1146, 1272, 1528, 2136, 2292, 4584, 4717, 9434, 10123, 14151, 16999, 18868, 20246, 28302, 30369, 33998, 37736, 40492, 50997, 56604, 60738, 67996, 80984, 101994, 113208, 121476, 135992, 203988, 242952, 407976, 900947, 1801894, 2702841, 3603788, 5405682, 7207576, 10811364, 21622728]

約数ペア:

[(1, 21622728), (2, 10811364), (3, 7207576), (4, 5405682), (6, 3603788), (8, 2702841), (12, 1801894), (24, 900947), (53, 407976), (89, 242952), (106, 203988), (159, 135992), (178, 121476), (191, 113208), (212, 101994), (267, 80984), (318, 67996), (356, 60738), (382, 56604), (424, 50997), (534, 40492), (573, 37736), (636, 33998), (712, 30369), (764, 28302), (1068, 20246), (1146, 18868), (1272, 16999), (1528, 14151), (2136, 10123), (2292, 9434), (4584, 4717)]