21698358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 29249994

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 83, 102, 166, 187, 233, 249, 374, 466, 498, 561, 699, 913, 1122, 1398, 1411, 1826, 2563, 2739, 2822, 3961, 4233, 5126, 5478, 7689, 7922, 8466, 11883, 15378, 15521, 19339, 23766, 31042, 38678, 43571, 46563, 58017, 87142, 93126, 116034, 130713, 212729, 261426, 328763, 425458, 638187, 657526, 986289, 1276374, 1972578, 3616393, 7232786, 10849179, 21698358]

約数ペア:

[(1, 21698358), (2, 10849179), (3, 7232786), (6, 3616393), (11, 1972578), (17, 1276374), (22, 986289), (33, 657526), (34, 638187), (51, 425458), (66, 328763), (83, 261426), (102, 212729), (166, 130713), (187, 116034), (233, 93126), (249, 87142), (374, 58017), (466, 46563), (498, 43571), (561, 38678), (699, 31042), (913, 23766), (1122, 19339), (1398, 15521), (1411, 15378), (1826, 11883), (2563, 8466), (2739, 7922), (2822, 7689), (3961, 5478), (4233, 5126)]