21582746

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 24

約数和(自身を含む): 34564320

約数和(自身を除く): 12981574

約数列:

[1, 2, 19, 38, 167, 179, 334, 358, 361, 722, 3173, 3401, 6346, 6802, 29893, 59786, 60287, 64619, 120574, 129238, 567967, 1135934, 10791373, 21582746]

約数ペア:

[(1, 21582746), (2, 10791373), (19, 1135934), (38, 567967), (167, 129238), (179, 120574), (334, 64619), (358, 60287), (361, 59786), (722, 29893), (3173, 6802), (3401, 6346)]