21011832

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 59076000

約数和(自身を除く): 38064168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 1068, 1093, 1602, 2136, 2186, 2403, 3204, 3279, 4372, 4806, 6408, 6558, 8744, 9612, 9837, 13116, 19224, 19674, 26232, 29511, 39348, 59022, 78696, 97277, 118044, 194554, 236088, 291831, 389108, 583662, 778216, 875493, 1167324, 1750986, 2334648, 2626479, 3501972, 5252958, 7003944, 10505916, 21011832]

約数ペア:

[(1, 21011832), (2, 10505916), (3, 7003944), (4, 5252958), (6, 3501972), (8, 2626479), (9, 2334648), (12, 1750986), (18, 1167324), (24, 875493), (27, 778216), (36, 583662), (54, 389108), (72, 291831), (89, 236088), (108, 194554), (178, 118044), (216, 97277), (267, 78696), (356, 59022), (534, 39348), (712, 29511), (801, 26232), (1068, 19674), (1093, 19224), (1602, 13116), (2136, 9837), (2186, 9612), (2403, 8744), (3204, 6558), (3279, 6408), (4372, 4806)]