21072420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39023}}^1$

素因数の和:39041

約数の個数: 48

約数和(自身を含む): 65560320

約数和(自身を除く): 44487900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39023, 78046, 117069, 156092, 195115, 234138, 351207, 390230, 468276, 585345, 702414, 780460, 1053621, 1170690, 1404828, 1756035, 2107242, 2341380, 3512070, 4214484, 5268105, 7024140, 10536210, 21072420]

約数ペア:

[(1, 21072420), (2, 10536210), (3, 7024140), (4, 5268105), (5, 4214484), (6, 3512070), (9, 2341380), (10, 2107242), (12, 1756035), (15, 1404828), (18, 1170690), (20, 1053621), (27, 780460), (30, 702414), (36, 585345), (45, 468276), (54, 390230), (60, 351207), (90, 234138), (108, 195115), (135, 156092), (180, 117069), (270, 78046), (540, 39023)]