21848890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 25843910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 203, 229, 235, 290, 329, 406, 458, 470, 658, 1015, 1145, 1363, 1603, 1645, 2030, 2290, 2726, 3206, 3290, 6641, 6815, 8015, 9541, 10763, 13282, 13630, 16030, 19082, 21526, 33205, 46487, 47705, 53815, 66410, 75341, 92974, 95410, 107630, 150682, 232435, 312127, 376705, 464870, 624254, 753410, 1560635, 2184889, 3121270, 4369778, 10924445, 21848890]

約数ペア:

[(1, 21848890), (2, 10924445), (5, 4369778), (7, 3121270), (10, 2184889), (14, 1560635), (29, 753410), (35, 624254), (47, 464870), (58, 376705), (70, 312127), (94, 232435), (145, 150682), (203, 107630), (229, 95410), (235, 92974), (290, 75341), (329, 66410), (406, 53815), (458, 47705), (470, 46487), (658, 33205), (1015, 21526), (1145, 19082), (1363, 16030), (1603, 13630), (1645, 13282), (2030, 10763), (2290, 9541), (2726, 8015), (3206, 6815), (3290, 6641)]