21212624

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1067

約数の個数: 40

約数和(自身を含む): 43657920

約数和(自身を除く): 22445296

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 977, 1357, 1954, 2714, 3908, 5428, 7816, 10856, 15632, 21712, 22471, 44942, 57643, 89884, 115286, 179768, 230572, 359536, 461144, 922288, 1325789, 2651578, 5303156, 10606312, 21212624]

約数ペア:

[(1, 21212624), (2, 10606312), (4, 5303156), (8, 2651578), (16, 1325789), (23, 922288), (46, 461144), (59, 359536), (92, 230572), (118, 179768), (184, 115286), (236, 89884), (368, 57643), (472, 44942), (944, 22471), (977, 21712), (1357, 15632), (1954, 10856), (2714, 7816), (3908, 5428)]