21272856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4280

約数の個数: 64

約数和(自身を含む): 61084800

約数和(自身を除く): 39811944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 264, 418, 456, 627, 836, 1254, 1672, 2508, 4241, 5016, 8482, 12723, 16964, 25446, 33928, 46651, 50892, 80579, 93302, 101784, 139953, 161158, 186604, 241737, 279906, 322316, 373208, 483474, 559812, 644632, 886369, 966948, 1119624, 1772738, 1933896, 2659107, 3545476, 5318214, 7090952, 10636428, 21272856]

約数ペア:

[(1, 21272856), (2, 10636428), (3, 7090952), (4, 5318214), (6, 3545476), (8, 2659107), (11, 1933896), (12, 1772738), (19, 1119624), (22, 966948), (24, 886369), (33, 644632), (38, 559812), (44, 483474), (57, 373208), (66, 322316), (76, 279906), (88, 241737), (114, 186604), (132, 161158), (152, 139953), (209, 101784), (228, 93302), (264, 80579), (418, 50892), (456, 46651), (627, 33928), (836, 25446), (1254, 16964), (1672, 12723), (2508, 8482), (4241, 5016)]