21975756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 34284084

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 229, 458, 687, 727, 916, 1374, 1454, 2181, 2519, 2748, 2908, 4362, 5038, 7557, 7997, 8724, 10076, 15114, 15994, 23991, 30228, 31988, 47982, 95964, 166483, 332966, 499449, 665932, 998898, 1831313, 1997796, 3662626, 5493939, 7325252, 10987878, 21975756]

約数ペア:

[(1, 21975756), (2, 10987878), (3, 7325252), (4, 5493939), (6, 3662626), (11, 1997796), (12, 1831313), (22, 998898), (33, 665932), (44, 499449), (66, 332966), (132, 166483), (229, 95964), (458, 47982), (687, 31988), (727, 30228), (916, 23991), (1374, 15994), (1454, 15114), (2181, 10076), (2519, 8724), (2748, 7997), (2908, 7557), (4362, 5038)]