21046318996

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 38796589440

約数和(自身を除く): 17750270444

約数列:

[1, 2, 4, 31, 62, 101, 124, 151, 202, 302, 359, 404, 604, 718, 961, 1436, 1922, 3131, 3844, 4681, 6262, 9362, 11129, 12524, 15251, 18724, 22258, 30502, 36259, 44516, 54209, 61004, 72518, 97061, 108418, 145036, 145111, 194122, 216836, 290222, 344999, 388244, 472781, 580444, 689998, 945562, 1124029, 1379996, 1680479, 1891124, 2248058, 3360958, 4496116, 5475109, 6721916, 10950218, 14656211, 21900436, 29312422, 34844899, 52094849, 58624844, 69689798, 104189698, 139379596, 169728379, 208379396, 339456758, 678913516, 5261579749, 10523159498, 21046318996]

約数ペア:

[(1, 21046318996), (2, 10523159498), (4, 5261579749), (31, 678913516), (62, 339456758), (101, 208379396), (124, 169728379), (151, 139379596), (202, 104189698), (302, 69689798), (359, 58624844), (404, 52094849), (604, 34844899), (718, 29312422), (961, 21900436), (1436, 14656211), (1922, 10950218), (3131, 6721916), (3844, 5475109), (4681, 4496116), (6262, 3360958), (9362, 2248058), (11129, 1891124), (12524, 1680479), (15251, 1379996), (18724, 1124029), (22258, 945562), (30502, 689998), (36259, 580444), (44516, 472781), (54209, 388244), (61004, 344999), (72518, 290222), (97061, 216836), (108418, 194122), (145036, 145111)]