21964698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3709}}^1$

素因数の和:3771

約数の個数: 48

約数和(自身を含む): 55560960

約数和(自身を除く): 33596262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3709, 5922, 7418, 11127, 22254, 25963, 33381, 51926, 66762, 77889, 155778, 174323, 233667, 348646, 467334, 522969, 1045938, 1220261, 1568907, 2440522, 3137814, 3660783, 7321566, 10982349, 21964698]

約数ペア:

[(1, 21964698), (2, 10982349), (3, 7321566), (6, 3660783), (7, 3137814), (9, 2440522), (14, 1568907), (18, 1220261), (21, 1045938), (42, 522969), (47, 467334), (63, 348646), (94, 233667), (126, 174323), (141, 155778), (282, 77889), (329, 66762), (423, 51926), (658, 33381), (846, 25963), (987, 22254), (1974, 11127), (2961, 7418), (3709, 5922)]