21430032

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 60704448

約数和(自身を除く): 39274416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 563, 624, 732, 793, 976, 1126, 1464, 1586, 1689, 2252, 2379, 2928, 3172, 3378, 4504, 4758, 6344, 6756, 7319, 9008, 9516, 12688, 13512, 14638, 19032, 21957, 27024, 29276, 34343, 38064, 43914, 58552, 68686, 87828, 103029, 117104, 137372, 175656, 206058, 274744, 351312, 412116, 446459, 549488, 824232, 892918, 1339377, 1648464, 1785836, 2678754, 3571672, 5357508, 7143344, 10715016, 21430032]

約数ペア:

[(1, 21430032), (2, 10715016), (3, 7143344), (4, 5357508), (6, 3571672), (8, 2678754), (12, 1785836), (13, 1648464), (16, 1339377), (24, 892918), (26, 824232), (39, 549488), (48, 446459), (52, 412116), (61, 351312), (78, 274744), (104, 206058), (122, 175656), (156, 137372), (183, 117104), (208, 103029), (244, 87828), (312, 68686), (366, 58552), (488, 43914), (563, 38064), (624, 34343), (732, 29276), (793, 27024), (976, 21957), (1126, 19032), (1464, 14638), (1586, 13512), (1689, 12688), (2252, 9516), (2379, 9008), (2928, 7319), (3172, 6756), (3378, 6344), (4504, 4758)]