21331944

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 38932056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1619, 1647, 2196, 3238, 3294, 4392, 4857, 6476, 6588, 9714, 12952, 13176, 14571, 19428, 29142, 38856, 43713, 58284, 87426, 98759, 116568, 174852, 197518, 296277, 349704, 395036, 592554, 790072, 888831, 1185108, 1777662, 2370216, 2666493, 3555324, 5332986, 7110648, 10665972, 21331944]

約数ペア:

[(1, 21331944), (2, 10665972), (3, 7110648), (4, 5332986), (6, 3555324), (8, 2666493), (9, 2370216), (12, 1777662), (18, 1185108), (24, 888831), (27, 790072), (36, 592554), (54, 395036), (61, 349704), (72, 296277), (108, 197518), (122, 174852), (183, 116568), (216, 98759), (244, 87426), (366, 58284), (488, 43713), (549, 38856), (732, 29142), (1098, 19428), (1464, 14571), (1619, 13176), (1647, 12952), (2196, 9714), (3238, 6588), (3294, 6476), (4392, 4857)]