21693240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60259}}^1$

素因数の和:60276

約数の個数: 48

約数和(自身を含む): 70504200

約数和(自身を除く): 48810960

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, 60259, 120518, 180777, 241036, 301295, 361554, 482072, 542331, 602590, 723108, 903885, 1084662, 1205180, 1446216, 1807770, 2169324, 2410360, 2711655, 3615540, 4338648, 5423310, 7231080, 10846620, 21693240]

約数ペア:

[(1, 21693240), (2, 10846620), (3, 7231080), (4, 5423310), (5, 4338648), (6, 3615540), (8, 2711655), (9, 2410360), (10, 2169324), (12, 1807770), (15, 1446216), (18, 1205180), (20, 1084662), (24, 903885), (30, 723108), (36, 602590), (40, 542331), (45, 482072), (60, 361554), (72, 301295), (90, 241036), (120, 180777), (180, 120518), (360, 60259)]