21646404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 61518912

約数和(自身を除く): 39872508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2011, 2691, 3588, 4022, 5382, 6033, 8044, 10764, 12066, 18099, 24132, 26143, 36198, 46253, 52286, 72396, 78429, 92506, 104572, 138759, 156858, 185012, 235287, 277518, 313716, 416277, 470574, 555036, 601289, 832554, 941148, 1202578, 1665108, 1803867, 2405156, 3607734, 5411601, 7215468, 10823202, 21646404]

約数ペア:

[(1, 21646404), (2, 10823202), (3, 7215468), (4, 5411601), (6, 3607734), (9, 2405156), (12, 1803867), (13, 1665108), (18, 1202578), (23, 941148), (26, 832554), (36, 601289), (39, 555036), (46, 470574), (52, 416277), (69, 313716), (78, 277518), (92, 235287), (117, 185012), (138, 156858), (156, 138759), (207, 104572), (234, 92506), (276, 78429), (299, 72396), (414, 52286), (468, 46253), (598, 36198), (828, 26143), (897, 24132), (1196, 18099), (1794, 12066), (2011, 10764), (2691, 8044), (3588, 6033), (4022, 5382)]