21000455292

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{50461}}^1$

素因数の和:50986

約数の個数: 48

約数和(自身を含む): 49735347200

約数和(自身を除く): 28734891908

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 439, 474, 878, 948, 1317, 1756, 2634, 5268, 34681, 50461, 69362, 100922, 104043, 138724, 151383, 201844, 208086, 302766, 416172, 605532, 3986419, 7972838, 11959257, 15945676, 22152379, 23918514, 44304758, 47837028, 66457137, 88609516, 132914274, 265828548, 1750037941, 3500075882, 5250113823, 7000151764, 10500227646, 21000455292]

約数ペア:

[(1, 21000455292), (2, 10500227646), (3, 7000151764), (4, 5250113823), (6, 3500075882), (12, 1750037941), (79, 265828548), (158, 132914274), (237, 88609516), (316, 66457137), (439, 47837028), (474, 44304758), (878, 23918514), (948, 22152379), (1317, 15945676), (1756, 11959257), (2634, 7972838), (5268, 3986419), (34681, 605532), (50461, 416172), (69362, 302766), (100922, 208086), (104043, 201844), (138724, 151383)]