21735896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 50971200

約数和(自身を除く): 29235304

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 409, 511, 584, 728, 818, 949, 1022, 1636, 1898, 2044, 2863, 3272, 3796, 4088, 5317, 5726, 6643, 7592, 10634, 11452, 13286, 21268, 22904, 26572, 29857, 37219, 42536, 53144, 59714, 74438, 119428, 148876, 208999, 238856, 297752, 388141, 417998, 776282, 835996, 1552564, 1671992, 2716987, 3105128, 5433974, 10867948, 21735896]

約数ペア:

[(1, 21735896), (2, 10867948), (4, 5433974), (7, 3105128), (8, 2716987), (13, 1671992), (14, 1552564), (26, 835996), (28, 776282), (52, 417998), (56, 388141), (73, 297752), (91, 238856), (104, 208999), (146, 148876), (182, 119428), (292, 74438), (364, 59714), (409, 53144), (511, 42536), (584, 37219), (728, 29857), (818, 26572), (949, 22904), (1022, 21268), (1636, 13286), (1898, 11452), (2044, 10634), (2863, 7592), (3272, 6643), (3796, 5726), (4088, 5317)]