21133918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15154082

約数列:

[1, 2, 13, 23, 26, 46, 59, 118, 299, 598, 599, 767, 1198, 1357, 1534, 2714, 7787, 13777, 15574, 17641, 27554, 35282, 35341, 70682, 179101, 358202, 459433, 812843, 918866, 1625686, 10566959, 21133918]

約数ペア:

[(1, 21133918), (2, 10566959), (13, 1625686), (23, 918866), (26, 812843), (46, 459433), (59, 358202), (118, 179101), (299, 70682), (598, 35341), (599, 35282), (767, 27554), (1198, 17641), (1357, 15574), (1534, 13777), (2714, 7787)]