21852675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 43691648

約数和(自身を除く): 21838973

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 241, 279, 325, 403, 465, 585, 723, 775, 975, 1205, 1209, 1395, 2015, 2169, 2325, 2925, 3133, 3615, 3627, 6025, 6045, 6975, 7471, 9399, 10075, 10845, 15665, 18075, 18135, 22413, 28197, 30225, 37355, 46995, 54225, 67239, 78325, 90675, 97123, 112065, 140985, 186775, 234975, 291369, 336195, 485615, 560325, 704925, 874107, 1456845, 1680975, 2428075, 4370535, 7284225, 21852675]

約数ペア:

[(1, 21852675), (3, 7284225), (5, 4370535), (9, 2428075), (13, 1680975), (15, 1456845), (25, 874107), (31, 704925), (39, 560325), (45, 485615), (65, 336195), (75, 291369), (93, 234975), (117, 186775), (155, 140985), (195, 112065), (225, 97123), (241, 90675), (279, 78325), (325, 67239), (403, 54225), (465, 46995), (585, 37355), (723, 30225), (775, 28197), (975, 22413), (1205, 18135), (1209, 18075), (1395, 15665), (2015, 10845), (2169, 10075), (2325, 9399), (2925, 7471), (3133, 6975), (3615, 6045), (3627, 6025)]