21834340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 50871744

約数和(自身を除く): 29037404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 1627, 2684, 3254, 3355, 6508, 6710, 8135, 13420, 16270, 17897, 32540, 35794, 71588, 89485, 99247, 178970, 198494, 357940, 396988, 496235, 992470, 1091717, 1984940, 2183434, 4366868, 5458585, 10917170, 21834340]

約数ペア:

[(1, 21834340), (2, 10917170), (4, 5458585), (5, 4366868), (10, 2183434), (11, 1984940), (20, 1091717), (22, 992470), (44, 496235), (55, 396988), (61, 357940), (110, 198494), (122, 178970), (220, 99247), (244, 89485), (305, 71588), (610, 35794), (671, 32540), (1220, 17897), (1342, 16270), (1627, 13420), (2684, 8135), (3254, 6710), (3355, 6508)]