21623966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 22284514

約数列:

[1, 2, 7, 13, 14, 17, 26, 29, 34, 58, 91, 119, 182, 203, 221, 238, 241, 377, 406, 442, 482, 493, 754, 986, 1547, 1687, 2639, 3094, 3133, 3374, 3451, 4097, 5278, 6266, 6409, 6902, 6989, 8194, 12818, 13978, 21931, 28679, 43862, 44863, 48923, 53261, 57358, 89726, 90857, 97846, 106522, 118813, 181714, 237626, 372827, 635999, 745654, 831691, 1271998, 1544569, 1663382, 3089138, 10811983, 21623966]

約数ペア:

[(1, 21623966), (2, 10811983), (7, 3089138), (13, 1663382), (14, 1544569), (17, 1271998), (26, 831691), (29, 745654), (34, 635999), (58, 372827), (91, 237626), (119, 181714), (182, 118813), (203, 106522), (221, 97846), (238, 90857), (241, 89726), (377, 57358), (406, 53261), (442, 48923), (482, 44863), (493, 43862), (754, 28679), (986, 21931), (1547, 13978), (1687, 12818), (2639, 8194), (3094, 6989), (3133, 6902), (3374, 6409), (3451, 6266), (4097, 5278)]