21369572

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20627}}^1$

素因数の和:20675

約数の個数: 24

約数和(自身を含む): 43896384

約数和(自身を除く): 22526812

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20627, 41254, 82508, 144389, 288778, 577556, 763199, 1526398, 3052796, 5342393, 10684786, 21369572]

約数ペア:

[(1, 21369572), (2, 10684786), (4, 5342393), (7, 3052796), (14, 1526398), (28, 763199), (37, 577556), (74, 288778), (148, 144389), (259, 82508), (518, 41254), (1036, 20627)]