21498204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19714

約数の個数: 48

約数和(自身を含む): 61741568

約数和(自身を除く): 40243364

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19687, 39374, 59061, 78748, 118122, 137809, 236244, 255931, 275618, 413427, 511862, 551236, 767793, 826854, 1023724, 1535586, 1653708, 1791517, 3071172, 3583034, 5374551, 7166068, 10749102, 21498204]

約数ペア:

[(1, 21498204), (2, 10749102), (3, 7166068), (4, 5374551), (6, 3583034), (7, 3071172), (12, 1791517), (13, 1653708), (14, 1535586), (21, 1023724), (26, 826854), (28, 767793), (39, 551236), (42, 511862), (52, 413427), (78, 275618), (84, 255931), (91, 236244), (156, 137809), (182, 118122), (273, 78748), (364, 59061), (546, 39374), (1092, 19687)]