21398484

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 53043200

約数和(自身を除く): 31644716

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 127, 228, 254, 381, 508, 739, 762, 1478, 1524, 2217, 2413, 2956, 4434, 4826, 7239, 8868, 9652, 14041, 14478, 28082, 28956, 42123, 56164, 84246, 93853, 168492, 187706, 281559, 375412, 563118, 1126236, 1783207, 3566414, 5349621, 7132828, 10699242, 21398484]

約数ペア:

[(1, 21398484), (2, 10699242), (3, 7132828), (4, 5349621), (6, 3566414), (12, 1783207), (19, 1126236), (38, 563118), (57, 375412), (76, 281559), (114, 187706), (127, 168492), (228, 93853), (254, 84246), (381, 56164), (508, 42123), (739, 28956), (762, 28082), (1478, 14478), (1524, 14041), (2217, 9652), (2413, 8868), (2956, 7239), (4434, 4826)]