21879840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 69914880

約数和(自身を除く): 48035040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 577, 632, 790, 948, 1154, 1185, 1264, 1580, 1731, 1896, 2308, 2370, 2528, 2885, 3160, 3462, 3792, 4616, 4740, 5770, 6320, 6924, 7584, 8655, 9232, 9480, 11540, 12640, 13848, 17310, 18464, 18960, 23080, 27696, 34620, 37920, 45583, 46160, 55392, 69240, 91166, 92320, 136749, 138480, 182332, 227915, 273498, 276960, 364664, 455830, 546996, 683745, 729328, 911660, 1093992, 1367490, 1458656, 1823320, 2187984, 2734980, 3646640, 4375968, 5469960, 7293280, 10939920, 21879840]

約数ペア:

[(1, 21879840), (2, 10939920), (3, 7293280), (4, 5469960), (5, 4375968), (6, 3646640), (8, 2734980), (10, 2187984), (12, 1823320), (15, 1458656), (16, 1367490), (20, 1093992), (24, 911660), (30, 729328), (32, 683745), (40, 546996), (48, 455830), (60, 364664), (79, 276960), (80, 273498), (96, 227915), (120, 182332), (158, 138480), (160, 136749), (237, 92320), (240, 91166), (316, 69240), (395, 55392), (474, 46160), (480, 45583), (577, 37920), (632, 34620), (790, 27696), (948, 23080), (1154, 18960), (1185, 18464), (1264, 17310), (1580, 13848), (1731, 12640), (1896, 11540), (2308, 9480), (2370, 9232), (2528, 8655), (2885, 7584), (3160, 6924), (3462, 6320), (3792, 5770), (4616, 4740)]