21854876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 20292964

約数列:

[1, 2, 4, 23, 31, 46, 62, 79, 92, 97, 124, 158, 194, 316, 388, 713, 1426, 1817, 2231, 2449, 2852, 3007, 3634, 4462, 4898, 6014, 7268, 7663, 8924, 9796, 12028, 15326, 30652, 56327, 69161, 112654, 138322, 176249, 225308, 237553, 276644, 352498, 475106, 704996, 950212, 5463719, 10927438, 21854876]

約数ペア:

[(1, 21854876), (2, 10927438), (4, 5463719), (23, 950212), (31, 704996), (46, 475106), (62, 352498), (79, 276644), (92, 237553), (97, 225308), (124, 176249), (158, 138322), (194, 112654), (316, 69161), (388, 56327), (713, 30652), (1426, 15326), (1817, 12028), (2231, 9796), (2449, 8924), (2852, 7663), (3007, 7268), (3634, 6014), (4462, 4898)]