21176844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 36023796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 116, 124, 151, 156, 174, 186, 302, 348, 372, 377, 403, 453, 604, 754, 806, 899, 906, 1131, 1209, 1508, 1612, 1798, 1812, 1963, 2262, 2418, 2697, 3596, 3926, 4379, 4524, 4681, 4836, 5394, 5889, 7852, 8758, 9362, 10788, 11687, 11778, 13137, 14043, 17516, 18724, 23374, 23556, 26274, 28086, 35061, 46748, 52548, 56172, 56927, 60853, 70122, 113854, 121706, 135749, 140244, 170781, 182559, 227708, 243412, 271498, 341562, 365118, 407247, 542996, 683124, 730236, 814494, 1628988, 1764737, 3529474, 5294211, 7058948, 10588422, 21176844]

約数ペア:

[(1, 21176844), (2, 10588422), (3, 7058948), (4, 5294211), (6, 3529474), (12, 1764737), (13, 1628988), (26, 814494), (29, 730236), (31, 683124), (39, 542996), (52, 407247), (58, 365118), (62, 341562), (78, 271498), (87, 243412), (93, 227708), (116, 182559), (124, 170781), (151, 140244), (156, 135749), (174, 121706), (186, 113854), (302, 70122), (348, 60853), (372, 56927), (377, 56172), (403, 52548), (453, 46748), (604, 35061), (754, 28086), (806, 26274), (899, 23556), (906, 23374), (1131, 18724), (1209, 17516), (1508, 14043), (1612, 13137), (1798, 11778), (1812, 11687), (1963, 10788), (2262, 9362), (2418, 8758), (2697, 7852), (3596, 5889), (3926, 5394), (4379, 4836), (4524, 4681)]