21395052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 41504148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1439, 1652, 2124, 2478, 2878, 3717, 4317, 4956, 5756, 7434, 8634, 10073, 12951, 14868, 17268, 20146, 25902, 30219, 40292, 51804, 60438, 84901, 90657, 120876, 169802, 181314, 254703, 339604, 362628, 509406, 594307, 764109, 1018812, 1188614, 1528218, 1782921, 2377228, 3056436, 3565842, 5348763, 7131684, 10697526, 21395052]

約数ペア:

[(1, 21395052), (2, 10697526), (3, 7131684), (4, 5348763), (6, 3565842), (7, 3056436), (9, 2377228), (12, 1782921), (14, 1528218), (18, 1188614), (21, 1018812), (28, 764109), (36, 594307), (42, 509406), (59, 362628), (63, 339604), (84, 254703), (118, 181314), (126, 169802), (177, 120876), (236, 90657), (252, 84901), (354, 60438), (413, 51804), (531, 40292), (708, 30219), (826, 25902), (1062, 20146), (1239, 17268), (1439, 14868), (1652, 12951), (2124, 10073), (2478, 8634), (2878, 7434), (3717, 5756), (4317, 4956)]