21719160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60331}}^1$

素因数の和:60348

約数の個数: 48

約数和(自身を含む): 70588440

約数和(自身を除く): 48869280

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, 60331, 120662, 180993, 241324, 301655, 361986, 482648, 542979, 603310, 723972, 904965, 1085958, 1206620, 1447944, 1809930, 2171916, 2413240, 2714895, 3619860, 4343832, 5429790, 7239720, 10859580, 21719160]

約数ペア:

[(1, 21719160), (2, 10859580), (3, 7239720), (4, 5429790), (5, 4343832), (6, 3619860), (8, 2714895), (9, 2413240), (10, 2171916), (12, 1809930), (15, 1447944), (18, 1206620), (20, 1085958), (24, 904965), (30, 723972), (36, 603310), (40, 542979), (45, 482648), (60, 361986), (72, 301655), (90, 241324), (120, 180993), (180, 120662), (360, 60331)]