21732544

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 45262800

約数和(自身を除く): 23530256

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 149, 172, 212, 298, 344, 424, 596, 688, 848, 1192, 1376, 1696, 2279, 2384, 2752, 3392, 4558, 4768, 6407, 7897, 9116, 9536, 12814, 15794, 18232, 25628, 31588, 36464, 51256, 63176, 72928, 102512, 126352, 145856, 205024, 252704, 339571, 410048, 505408, 679142, 1358284, 2716568, 5433136, 10866272, 21732544]

約数ペア:

[(1, 21732544), (2, 10866272), (4, 5433136), (8, 2716568), (16, 1358284), (32, 679142), (43, 505408), (53, 410048), (64, 339571), (86, 252704), (106, 205024), (149, 145856), (172, 126352), (212, 102512), (298, 72928), (344, 63176), (424, 51256), (596, 36464), (688, 31588), (848, 25628), (1192, 18232), (1376, 15794), (1696, 12814), (2279, 9536), (2384, 9116), (2752, 7897), (3392, 6407), (4558, 4768)]