21542052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 57697920

約数和(自身を除く): 36155868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 809, 951, 1268, 1618, 1902, 2219, 2427, 3236, 3804, 4438, 4854, 5663, 6657, 8876, 9708, 11326, 13314, 16989, 22652, 26628, 33978, 67956, 256453, 512906, 769359, 1025812, 1538718, 1795171, 3077436, 3590342, 5385513, 7180684, 10771026, 21542052]

約数ペア:

[(1, 21542052), (2, 10771026), (3, 7180684), (4, 5385513), (6, 3590342), (7, 3077436), (12, 1795171), (14, 1538718), (21, 1025812), (28, 769359), (42, 512906), (84, 256453), (317, 67956), (634, 33978), (809, 26628), (951, 22652), (1268, 16989), (1618, 13314), (1902, 11326), (2219, 9708), (2427, 8876), (3236, 6657), (3804, 5663), (4438, 4854)]