21952710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 96

約数和(自身を含む): 63685440

約数和(自身を除く): 41732730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 647, 754, 870, 1131, 1170, 1294, 1305, 1885, 1941, 2262, 2610, 3235, 3393, 3770, 3882, 5655, 5823, 6470, 6786, 8411, 9705, 11310, 11646, 16822, 16965, 18763, 19410, 25233, 29115, 33930, 37526, 42055, 50466, 56289, 58230, 75699, 84110, 93815, 112578, 126165, 151398, 168867, 187630, 243919, 252330, 281445, 337734, 378495, 487838, 562890, 731757, 756990, 844335, 1219595, 1463514, 1688670, 2195271, 2439190, 3658785, 4390542, 7317570, 10976355, 21952710]

約数ペア:

[(1, 21952710), (2, 10976355), (3, 7317570), (5, 4390542), (6, 3658785), (9, 2439190), (10, 2195271), (13, 1688670), (15, 1463514), (18, 1219595), (26, 844335), (29, 756990), (30, 731757), (39, 562890), (45, 487838), (58, 378495), (65, 337734), (78, 281445), (87, 252330), (90, 243919), (117, 187630), (130, 168867), (145, 151398), (174, 126165), (195, 112578), (234, 93815), (261, 84110), (290, 75699), (377, 58230), (390, 56289), (435, 50466), (522, 42055), (585, 37526), (647, 33930), (754, 29115), (870, 25233), (1131, 19410), (1170, 18763), (1294, 16965), (1305, 16822), (1885, 11646), (1941, 11310), (2262, 9705), (2610, 8411), (3235, 6786), (3393, 6470), (3770, 5823), (3882, 5655)]