21101465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2383}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 32956416

約数和(自身を除く): 11854951

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2383, 8855, 11915, 16681, 26213, 54809, 83405, 131065, 183491, 274045, 383663, 602899, 917455, 1918315, 3014495, 4220293, 21101465]

約数ペア:

[(1, 21101465), (5, 4220293), (7, 3014495), (11, 1918315), (23, 917455), (35, 602899), (55, 383663), (77, 274045), (115, 183491), (161, 131065), (253, 83405), (385, 54809), (805, 26213), (1265, 16681), (1771, 11915), (2383, 8855)]