21972454

素因数分解:

$2^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1907}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 37732608

約数和(自身を除く): 15760154

約数列:

[1, 2, 7, 14, 823, 1646, 1907, 3814, 5761, 11522, 13349, 26698, 1569461, 3138922, 10986227, 21972454]

約数ペア:

[(1, 21972454), (2, 10986227), (7, 3138922), (14, 1569461), (823, 26698), (1646, 13349), (1907, 11522), (3814, 5761)]