21601968

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 61710336

約数和(自身を除く): 40108368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1151, 1173, 1564, 2302, 2346, 3128, 3453, 4604, 4692, 6256, 6906, 9208, 9384, 13812, 18416, 18768, 19567, 26473, 27624, 39134, 52946, 55248, 58701, 78268, 79419, 105892, 117402, 156536, 158838, 211784, 234804, 313072, 317676, 423568, 450041, 469608, 635352, 900082, 939216, 1270704, 1350123, 1800164, 2700246, 3600328, 5400492, 7200656, 10800984, 21601968]

約数ペア:

[(1, 21601968), (2, 10800984), (3, 7200656), (4, 5400492), (6, 3600328), (8, 2700246), (12, 1800164), (16, 1350123), (17, 1270704), (23, 939216), (24, 900082), (34, 635352), (46, 469608), (48, 450041), (51, 423568), (68, 317676), (69, 313072), (92, 234804), (102, 211784), (136, 158838), (138, 156536), (184, 117402), (204, 105892), (272, 79419), (276, 78268), (368, 58701), (391, 55248), (408, 52946), (552, 39134), (782, 27624), (816, 26473), (1104, 19567), (1151, 18768), (1173, 18416), (1564, 13812), (2302, 9384), (2346, 9208), (3128, 6906), (3453, 6256), (4604, 4692)]