21822004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 39344256

約数和(自身を除く): 17522252

約数列:

[1, 2, 4, 41, 82, 164, 271, 491, 542, 982, 1084, 1964, 11111, 20131, 22222, 40262, 44444, 80524, 133061, 266122, 532244, 5455501, 10911002, 21822004]

約数ペア:

[(1, 21822004), (2, 10911002), (4, 5455501), (41, 532244), (82, 266122), (164, 133061), (271, 80524), (491, 44444), (542, 40262), (982, 22222), (1084, 20131), (1964, 11111)]