21534210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 59574528

約数和(自身を除く): 38040318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 101, 103, 115, 138, 202, 206, 207, 230, 303, 309, 345, 414, 505, 515, 606, 618, 690, 909, 927, 1010, 1030, 1035, 1515, 1545, 1818, 1854, 2070, 2323, 2369, 3030, 3090, 4545, 4635, 4646, 4738, 6969, 7107, 9090, 9270, 10403, 11615, 11845, 13938, 14214, 20806, 20907, 21321, 23230, 23690, 31209, 34845, 35535, 41814, 42642, 52015, 62418, 69690, 71070, 93627, 104030, 104535, 106605, 156045, 187254, 209070, 213210, 239269, 312090, 468135, 478538, 717807, 936270, 1196345, 1435614, 2153421, 2392690, 3589035, 4306842, 7178070, 10767105, 21534210]

約数ペア:

[(1, 21534210), (2, 10767105), (3, 7178070), (5, 4306842), (6, 3589035), (9, 2392690), (10, 2153421), (15, 1435614), (18, 1196345), (23, 936270), (30, 717807), (45, 478538), (46, 468135), (69, 312090), (90, 239269), (101, 213210), (103, 209070), (115, 187254), (138, 156045), (202, 106605), (206, 104535), (207, 104030), (230, 93627), (303, 71070), (309, 69690), (345, 62418), (414, 52015), (505, 42642), (515, 41814), (606, 35535), (618, 34845), (690, 31209), (909, 23690), (927, 23230), (1010, 21321), (1030, 20907), (1035, 20806), (1515, 14214), (1545, 13938), (1818, 11845), (1854, 11615), (2070, 10403), (2323, 9270), (2369, 9090), (3030, 7107), (3090, 6969), (4545, 4738), (4635, 4646)]