21153136

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1789}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 41062600

約数和(自身を除く): 19909464

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1789, 2956, 3578, 5912, 7156, 11824, 14312, 28624, 1322071, 2644142, 5288284, 10576568, 21153136]

約数ペア:

[(1, 21153136), (2, 10576568), (4, 5288284), (8, 2644142), (16, 1322071), (739, 28624), (1478, 14312), (1789, 11824), (2956, 7156), (3578, 5912)]