21546366

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 44025120

約数和(自身を除く): 22478754

約数列:

[1, 2, 3, 6, 89, 157, 178, 257, 267, 314, 471, 514, 534, 771, 942, 1542, 13973, 22873, 27946, 40349, 41919, 45746, 68619, 80698, 83838, 121047, 137238, 242094, 3591061, 7182122, 10773183, 21546366]

約数ペア:

[(1, 21546366), (2, 10773183), (3, 7182122), (6, 3591061), (89, 242094), (157, 137238), (178, 121047), (257, 83838), (267, 80698), (314, 68619), (471, 45746), (514, 41919), (534, 40349), (771, 27946), (942, 22873), (1542, 13973)]