21805152

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 40900512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 68, 93, 96, 102, 124, 136, 186, 204, 248, 272, 372, 408, 431, 496, 527, 544, 744, 816, 862, 992, 1054, 1293, 1488, 1581, 1632, 1724, 2108, 2586, 2976, 3162, 3448, 4216, 5172, 6324, 6896, 7327, 8432, 10344, 12648, 13361, 13792, 14654, 16864, 20688, 21981, 25296, 26722, 29308, 40083, 41376, 43962, 50592, 53444, 58616, 80166, 87924, 106888, 117232, 160332, 175848, 213776, 227137, 234464, 320664, 351696, 427552, 454274, 641328, 681411, 703392, 908548, 1282656, 1362822, 1817096, 2725644, 3634192, 5451288, 7268384, 10902576, 21805152]

約数ペア:

[(1, 21805152), (2, 10902576), (3, 7268384), (4, 5451288), (6, 3634192), (8, 2725644), (12, 1817096), (16, 1362822), (17, 1282656), (24, 908548), (31, 703392), (32, 681411), (34, 641328), (48, 454274), (51, 427552), (62, 351696), (68, 320664), (93, 234464), (96, 227137), (102, 213776), (124, 175848), (136, 160332), (186, 117232), (204, 106888), (248, 87924), (272, 80166), (372, 58616), (408, 53444), (431, 50592), (496, 43962), (527, 41376), (544, 40083), (744, 29308), (816, 26722), (862, 25296), (992, 21981), (1054, 20688), (1293, 16864), (1488, 14654), (1581, 13792), (1632, 13361), (1724, 12648), (2108, 10344), (2586, 8432), (2976, 7327), (3162, 6896), (3448, 6324), (4216, 5172)]