21917160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2687

約数の個数: 96

約数和(自身を含む): 74355840

約数和(自身を除く): 52438680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2647, 2760, 4140, 5294, 7941, 8280, 10588, 13235, 15882, 21176, 23823, 26470, 31764, 39705, 47646, 52940, 60881, 63528, 79410, 95292, 105880, 119115, 121762, 158820, 182643, 190584, 238230, 243524, 304405, 317640, 365286, 476460, 487048, 547929, 608810, 730572, 913215, 952920, 1095858, 1217620, 1461144, 1826430, 2191716, 2435240, 2739645, 3652860, 4383432, 5479290, 7305720, 10958580, 21917160]

約数ペア:

[(1, 21917160), (2, 10958580), (3, 7305720), (4, 5479290), (5, 4383432), (6, 3652860), (8, 2739645), (9, 2435240), (10, 2191716), (12, 1826430), (15, 1461144), (18, 1217620), (20, 1095858), (23, 952920), (24, 913215), (30, 730572), (36, 608810), (40, 547929), (45, 487048), (46, 476460), (60, 365286), (69, 317640), (72, 304405), (90, 243524), (92, 238230), (115, 190584), (120, 182643), (138, 158820), (180, 121762), (184, 119115), (207, 105880), (230, 95292), (276, 79410), (345, 63528), (360, 60881), (414, 52940), (460, 47646), (552, 39705), (690, 31764), (828, 26470), (920, 23823), (1035, 21176), (1380, 15882), (1656, 13235), (2070, 10588), (2647, 8280), (2760, 7941), (4140, 5294)]