21028826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18041254

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 227, 454, 509, 1018, 1589, 2951, 3178, 3563, 5902, 6617, 7126, 13234, 20657, 41314, 46319, 92638, 115543, 231086, 808801, 1502059, 1617602, 3004118, 10514413, 21028826]

約数ペア:

[(1, 21028826), (2, 10514413), (7, 3004118), (13, 1617602), (14, 1502059), (26, 808801), (91, 231086), (182, 115543), (227, 92638), (454, 46319), (509, 41314), (1018, 20657), (1589, 13234), (2951, 7126), (3178, 6617), (3563, 5902)]