21021702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 45558240

約数和(自身を除く): 24536538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1489, 2353, 2978, 4467, 4706, 7059, 8934, 14118, 19357, 38714, 58071, 116142, 269509, 539018, 808527, 1617054, 3503617, 7007234, 10510851, 21021702]

約数ペア:

[(1, 21021702), (2, 10510851), (3, 7007234), (6, 3503617), (13, 1617054), (26, 808527), (39, 539018), (78, 269509), (181, 116142), (362, 58071), (543, 38714), (1086, 19357), (1489, 14118), (2353, 8934), (2978, 7059), (4467, 4706)]