21395724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14983}}^1$

素因数の和:15014

約数の個数: 48

約数和(自身を含む): 60415488

約数和(自身を除く): 39019764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14983, 29966, 44949, 59932, 89898, 104881, 179796, 209762, 254711, 314643, 419524, 509422, 629286, 764133, 1018844, 1258572, 1528266, 1782977, 3056532, 3565954, 5348931, 7131908, 10697862, 21395724]

約数ペア:

[(1, 21395724), (2, 10697862), (3, 7131908), (4, 5348931), (6, 3565954), (7, 3056532), (12, 1782977), (14, 1528266), (17, 1258572), (21, 1018844), (28, 764133), (34, 629286), (42, 509422), (51, 419524), (68, 314643), (84, 254711), (102, 209762), (119, 179796), (204, 104881), (238, 89898), (357, 59932), (476, 44949), (714, 29966), (1428, 14983)]