21375720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59377}}^1$

素因数の和:59394

約数の個数: 48

約数和(自身を含む): 69472260

約数和(自身を除く): 48096540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59377, 118754, 178131, 237508, 296885, 356262, 475016, 534393, 593770, 712524, 890655, 1068786, 1187540, 1425048, 1781310, 2137572, 2375080, 2671965, 3562620, 4275144, 5343930, 7125240, 10687860, 21375720]

約数ペア:

[(1, 21375720), (2, 10687860), (3, 7125240), (4, 5343930), (5, 4275144), (6, 3562620), (8, 2671965), (9, 2375080), (10, 2137572), (12, 1781310), (15, 1425048), (18, 1187540), (20, 1068786), (24, 890655), (30, 712524), (36, 593770), (40, 534393), (45, 475016), (60, 356262), (72, 296885), (90, 237508), (120, 178131), (180, 118754), (360, 59377)]