21049710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 55551744

約数和(自身を除く): 34502034

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 227, 281, 330, 454, 562, 681, 843, 1135, 1362, 1405, 1686, 2270, 2497, 2810, 3091, 3405, 4215, 4994, 6182, 6810, 7491, 8430, 9273, 12485, 14982, 15455, 18546, 24970, 30910, 37455, 46365, 63787, 74910, 92730, 127574, 191361, 318935, 382722, 637870, 701657, 956805, 1403314, 1913610, 2104971, 3508285, 4209942, 7016570, 10524855, 21049710]

約数ペア:

[(1, 21049710), (2, 10524855), (3, 7016570), (5, 4209942), (6, 3508285), (10, 2104971), (11, 1913610), (15, 1403314), (22, 956805), (30, 701657), (33, 637870), (55, 382722), (66, 318935), (110, 191361), (165, 127574), (227, 92730), (281, 74910), (330, 63787), (454, 46365), (562, 37455), (681, 30910), (843, 24970), (1135, 18546), (1362, 15455), (1405, 14982), (1686, 12485), (2270, 9273), (2497, 8430), (2810, 7491), (3091, 6810), (3405, 6182), (4215, 4994)]