21300030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78889}}^1$

素因数の和:78905

約数の個数: 32

約数和(自身を含む): 56800800

約数和(自身を除く): 35500770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78889, 157778, 236667, 394445, 473334, 710001, 788890, 1183335, 1420002, 2130003, 2366670, 3550005, 4260006, 7100010, 10650015, 21300030]

約数ペア:

[(1, 21300030), (2, 10650015), (3, 7100010), (5, 4260006), (6, 3550005), (9, 2366670), (10, 2130003), (15, 1420002), (18, 1183335), (27, 788890), (30, 710001), (45, 473334), (54, 394445), (90, 236667), (135, 157778), (270, 78889)]