21992612

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 39261600

約数和(自身を除く): 17268988

約数列:

[1, 2, 4, 89, 163, 178, 326, 356, 379, 652, 758, 1516, 14507, 29014, 33731, 58028, 61777, 67462, 123554, 134924, 247108, 5498153, 10996306, 21992612]

約数ペア:

[(1, 21992612), (2, 10996306), (4, 5498153), (89, 247108), (163, 134924), (178, 123554), (326, 67462), (356, 61777), (379, 58028), (652, 33731), (758, 29014), (1516, 14507)]