21815952

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{1259}}^1$

素因数の和:1308

約数の個数: 60

約数和(自身を含む): 59527440

約数和(自身を除く): 37711488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1083, 1259, 1444, 2166, 2518, 2888, 3777, 4332, 5036, 5776, 7554, 8664, 10072, 15108, 17328, 20144, 23921, 30216, 47842, 60432, 71763, 95684, 143526, 191368, 287052, 382736, 454499, 574104, 908998, 1148208, 1363497, 1817996, 2726994, 3635992, 5453988, 7271984, 10907976, 21815952]

約数ペア:

[(1, 21815952), (2, 10907976), (3, 7271984), (4, 5453988), (6, 3635992), (8, 2726994), (12, 1817996), (16, 1363497), (19, 1148208), (24, 908998), (38, 574104), (48, 454499), (57, 382736), (76, 287052), (114, 191368), (152, 143526), (228, 95684), (304, 71763), (361, 60432), (456, 47842), (722, 30216), (912, 23921), (1083, 20144), (1259, 17328), (1444, 15108), (2166, 10072), (2518, 8664), (2888, 7554), (3777, 5776), (4332, 5036)]