21660840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60169}}^1$

素因数の和:60186

約数の個数: 48

約数和(自身を含む): 70398900

約数和(自身を除く): 48738060

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, 60169, 120338, 180507, 240676, 300845, 361014, 481352, 541521, 601690, 722028, 902535, 1083042, 1203380, 1444056, 1805070, 2166084, 2406760, 2707605, 3610140, 4332168, 5415210, 7220280, 10830420, 21660840]

約数ペア:

[(1, 21660840), (2, 10830420), (3, 7220280), (4, 5415210), (5, 4332168), (6, 3610140), (8, 2707605), (9, 2406760), (10, 2166084), (12, 1805070), (15, 1444056), (18, 1203380), (20, 1083042), (24, 902535), (30, 722028), (36, 601690), (40, 541521), (45, 481352), (60, 361014), (72, 300845), (90, 240676), (120, 180507), (180, 120338), (360, 60169)]