21413414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15600346

約数列:

[1, 2, 11, 22, 23, 46, 101, 202, 253, 419, 506, 838, 1111, 2222, 2323, 4609, 4646, 9218, 9637, 19274, 25553, 42319, 51106, 84638, 106007, 212014, 465509, 931018, 973337, 1946674, 10706707, 21413414]

約数ペア:

[(1, 21413414), (2, 10706707), (11, 1946674), (22, 973337), (23, 931018), (46, 465509), (101, 212014), (202, 106007), (253, 84638), (419, 51106), (506, 42319), (838, 25553), (1111, 19274), (2222, 9637), (2323, 9218), (4609, 4646)]