21185052

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5147}}^1$

素因数の和:5175

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 36472548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5147, 10294, 15441, 20588, 30882, 36029, 61764, 72058, 108087, 144116, 216174, 252203, 432348, 504406, 756609, 1008812, 1513218, 1765421, 3026436, 3530842, 5296263, 7061684, 10592526, 21185052]

約数ペア:

[(1, 21185052), (2, 10592526), (3, 7061684), (4, 5296263), (6, 3530842), (7, 3026436), (12, 1765421), (14, 1513218), (21, 1008812), (28, 756609), (42, 504406), (49, 432348), (84, 252203), (98, 216174), (147, 144116), (196, 108087), (294, 72058), (343, 61764), (588, 36029), (686, 30882), (1029, 20588), (1372, 15441), (2058, 10294), (4116, 5147)]