21741762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 52752384

約数和(自身を除く): 31010622

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 71, 138, 142, 161, 213, 317, 322, 426, 483, 497, 634, 951, 966, 994, 1491, 1633, 1902, 2219, 2982, 3266, 4438, 4899, 6657, 7291, 9798, 11431, 13314, 14582, 21873, 22507, 22862, 34293, 43746, 45014, 51037, 67521, 68586, 102074, 135042, 153111, 157549, 306222, 315098, 472647, 517661, 945294, 1035322, 1552983, 3105966, 3623627, 7247254, 10870881, 21741762]

約数ペア:

[(1, 21741762), (2, 10870881), (3, 7247254), (6, 3623627), (7, 3105966), (14, 1552983), (21, 1035322), (23, 945294), (42, 517661), (46, 472647), (69, 315098), (71, 306222), (138, 157549), (142, 153111), (161, 135042), (213, 102074), (317, 68586), (322, 67521), (426, 51037), (483, 45014), (497, 43746), (634, 34293), (951, 22862), (966, 22507), (994, 21873), (1491, 14582), (1633, 13314), (1902, 11431), (2219, 9798), (2982, 7291), (3266, 6657), (4438, 4899)]