21651120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30071}}^1$

素因数の和:30090

約数の個数: 60

約数和(自身を含む): 72714096

約数和(自身を除く): 51062976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30071, 60142, 90213, 120284, 150355, 180426, 240568, 270639, 300710, 360852, 451065, 481136, 541278, 601420, 721704, 902130, 1082556, 1202840, 1353195, 1443408, 1804260, 2165112, 2405680, 2706390, 3608520, 4330224, 5412780, 7217040, 10825560, 21651120]

約数ペア:

[(1, 21651120), (2, 10825560), (3, 7217040), (4, 5412780), (5, 4330224), (6, 3608520), (8, 2706390), (9, 2405680), (10, 2165112), (12, 1804260), (15, 1443408), (16, 1353195), (18, 1202840), (20, 1082556), (24, 902130), (30, 721704), (36, 601420), (40, 541278), (45, 481136), (48, 451065), (60, 360852), (72, 300710), (80, 270639), (90, 240568), (120, 180426), (144, 150355), (180, 120284), (240, 90213), (360, 60142), (720, 30071)]