21018576

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1399}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 54510400

約数和(自身を除く): 33491824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1399, 1878, 2504, 2798, 3756, 4197, 5008, 5596, 7512, 8394, 11192, 15024, 16788, 22384, 33576, 67152, 437887, 875774, 1313661, 1751548, 2627322, 3503096, 5254644, 7006192, 10509288, 21018576]

約数ペア:

[(1, 21018576), (2, 10509288), (3, 7006192), (4, 5254644), (6, 3503096), (8, 2627322), (12, 1751548), (16, 1313661), (24, 875774), (48, 437887), (313, 67152), (626, 33576), (939, 22384), (1252, 16788), (1399, 15024), (1878, 11192), (2504, 8394), (2798, 7512), (3756, 5596), (4197, 5008)]