21417252

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 30402012

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 101, 123, 164, 202, 246, 303, 404, 431, 492, 606, 862, 1212, 1293, 1724, 2586, 4141, 5172, 8282, 12423, 16564, 17671, 24846, 35342, 43531, 49692, 53013, 70684, 87062, 106026, 130593, 174124, 212052, 261186, 522372, 1784771, 3569542, 5354313, 7139084, 10708626, 21417252]

約数ペア:

[(1, 21417252), (2, 10708626), (3, 7139084), (4, 5354313), (6, 3569542), (12, 1784771), (41, 522372), (82, 261186), (101, 212052), (123, 174124), (164, 130593), (202, 106026), (246, 87062), (303, 70684), (404, 53013), (431, 49692), (492, 43531), (606, 35342), (862, 24846), (1212, 17671), (1293, 16564), (1724, 12423), (2586, 8282), (4141, 5172)]