21958902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2933

約数の個数: 48

約数和(自身を含む): 55285152

約数和(自身を除く): 33326250

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2857, 3843, 5714, 7686, 8571, 17142, 19999, 25713, 39998, 51426, 59997, 119994, 174277, 179991, 348554, 359982, 522831, 1045662, 1219939, 1568493, 2439878, 3136986, 3659817, 7319634, 10979451, 21958902]

約数ペア:

[(1, 21958902), (2, 10979451), (3, 7319634), (6, 3659817), (7, 3136986), (9, 2439878), (14, 1568493), (18, 1219939), (21, 1045662), (42, 522831), (61, 359982), (63, 348554), (122, 179991), (126, 174277), (183, 119994), (366, 59997), (427, 51426), (549, 39998), (854, 25713), (1098, 19999), (1281, 17142), (2562, 8571), (2857, 7686), (3843, 5714)]