21120302

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 38195712

約数和(自身を除く): 17075410

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 613, 749, 1226, 1498, 2461, 4291, 4922, 8582, 14099, 17227, 28198, 34454, 65591, 98693, 131182, 197386, 459137, 918274, 1508593, 3017186, 10560151, 21120302]

約数ペア:

[(1, 21120302), (2, 10560151), (7, 3017186), (14, 1508593), (23, 918274), (46, 459137), (107, 197386), (161, 131182), (214, 98693), (322, 65591), (613, 34454), (749, 28198), (1226, 17227), (1498, 14099), (2461, 8582), (4291, 4922)]