21462090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 56077056

約数和(自身を除く): 34614966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 487, 565, 678, 974, 1130, 1461, 1469, 1695, 2435, 2922, 2938, 3390, 4407, 4870, 6331, 7305, 7345, 8814, 12662, 14610, 14690, 18993, 22035, 31655, 37986, 44070, 55031, 63310, 94965, 110062, 165093, 189930, 275155, 330186, 550310, 715403, 825465, 1430806, 1650930, 2146209, 3577015, 4292418, 7154030, 10731045, 21462090]

約数ペア:

[(1, 21462090), (2, 10731045), (3, 7154030), (5, 4292418), (6, 3577015), (10, 2146209), (13, 1650930), (15, 1430806), (26, 825465), (30, 715403), (39, 550310), (65, 330186), (78, 275155), (113, 189930), (130, 165093), (195, 110062), (226, 94965), (339, 63310), (390, 55031), (487, 44070), (565, 37986), (678, 31655), (974, 22035), (1130, 18993), (1461, 14690), (1469, 14610), (1695, 12662), (2435, 8814), (2922, 7345), (2938, 7305), (3390, 6331), (4407, 4870)]