21847360

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1103

約数の個数: 56

約数和(自身を含む): 52852320

約数和(自身を除く): 31004960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1019, 1072, 1340, 2038, 2144, 2680, 4076, 4288, 5095, 5360, 8152, 10190, 10720, 16304, 20380, 21440, 32608, 40760, 65216, 68273, 81520, 136546, 163040, 273092, 326080, 341365, 546184, 682730, 1092368, 1365460, 2184736, 2730920, 4369472, 5461840, 10923680, 21847360]

約数ペア:

[(1, 21847360), (2, 10923680), (4, 5461840), (5, 4369472), (8, 2730920), (10, 2184736), (16, 1365460), (20, 1092368), (32, 682730), (40, 546184), (64, 341365), (67, 326080), (80, 273092), (134, 163040), (160, 136546), (268, 81520), (320, 68273), (335, 65216), (536, 40760), (670, 32608), (1019, 21440), (1072, 20380), (1340, 16304), (2038, 10720), (2144, 10190), (2680, 8152), (4076, 5360), (4288, 5095)]