21919440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91331}}^1$

素因数の和:91347

約数の個数: 40

約数和(自身を含む): 67951008

約数和(自身を除く): 46031568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91331, 182662, 273993, 365324, 456655, 547986, 730648, 913310, 1095972, 1369965, 1461296, 1826620, 2191944, 2739930, 3653240, 4383888, 5479860, 7306480, 10959720, 21919440]

約数ペア:

[(1, 21919440), (2, 10959720), (3, 7306480), (4, 5479860), (5, 4383888), (6, 3653240), (8, 2739930), (10, 2191944), (12, 1826620), (15, 1461296), (16, 1369965), (20, 1095972), (24, 913310), (30, 730648), (40, 547986), (48, 456655), (60, 365324), (80, 273993), (120, 182662), (240, 91331)]