21974680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6037}}^1$

素因数の和:6068

約数の個数: 64

約数和(自身を含む): 60863040

約数和(自身を除く): 38888360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 6037, 12074, 24148, 30185, 42259, 48296, 60370, 78481, 84518, 120740, 156962, 169036, 211295, 241480, 313924, 338072, 392405, 422590, 549367, 627848, 784810, 845180, 1098734, 1569620, 1690360, 2197468, 2746835, 3139240, 4394936, 5493670, 10987340, 21974680]

約数ペア:

[(1, 21974680), (2, 10987340), (4, 5493670), (5, 4394936), (7, 3139240), (8, 2746835), (10, 2197468), (13, 1690360), (14, 1569620), (20, 1098734), (26, 845180), (28, 784810), (35, 627848), (40, 549367), (52, 422590), (56, 392405), (65, 338072), (70, 313924), (91, 241480), (104, 211295), (130, 169036), (140, 156962), (182, 120740), (260, 84518), (280, 78481), (364, 60370), (455, 48296), (520, 42259), (728, 30185), (910, 24148), (1820, 12074), (3640, 6037)]