21885240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14029}}^1$

素因数の和:14056

約数の個数: 64

約数和(自身を含む): 70711200

約数和(自身を除く): 48825960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 14029, 28058, 42087, 56116, 70145, 84174, 112232, 140290, 168348, 182377, 210435, 280580, 336696, 364754, 420870, 547131, 561160, 729508, 841740, 911885, 1094262, 1459016, 1683480, 1823770, 2188524, 2735655, 3647540, 4377048, 5471310, 7295080, 10942620, 21885240]

約数ペア:

[(1, 21885240), (2, 10942620), (3, 7295080), (4, 5471310), (5, 4377048), (6, 3647540), (8, 2735655), (10, 2188524), (12, 1823770), (13, 1683480), (15, 1459016), (20, 1094262), (24, 911885), (26, 841740), (30, 729508), (39, 561160), (40, 547131), (52, 420870), (60, 364754), (65, 336696), (78, 280580), (104, 210435), (120, 182377), (130, 168348), (156, 140290), (195, 112232), (260, 84174), (312, 70145), (390, 56116), (520, 42087), (780, 28058), (1560, 14029)]