21490016

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12671}}^1$

素因数の和:12734

約数の個数: 24

約数和(自身を含む): 43110144

約数和(自身を除く): 21620128

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12671, 25342, 50684, 101368, 202736, 405472, 671563, 1343126, 2686252, 5372504, 10745008, 21490016]

約数ペア:

[(1, 21490016), (2, 10745008), (4, 5372504), (8, 2686252), (16, 1343126), (32, 671563), (53, 405472), (106, 202736), (212, 101368), (424, 50684), (848, 25342), (1696, 12671)]