21333240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19753}}^1$

素因数の和:19773

約数の個数: 64

約数和(自身を含む): 71114400

約数和(自身を除く): 49781160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19753, 39506, 59259, 79012, 98765, 118518, 158024, 177777, 197530, 237036, 296295, 355554, 395060, 474072, 533331, 592590, 711108, 790120, 888885, 1066662, 1185180, 1422216, 1777770, 2133324, 2370360, 2666655, 3555540, 4266648, 5333310, 7111080, 10666620, 21333240]

約数ペア:

[(1, 21333240), (2, 10666620), (3, 7111080), (4, 5333310), (5, 4266648), (6, 3555540), (8, 2666655), (9, 2370360), (10, 2133324), (12, 1777770), (15, 1422216), (18, 1185180), (20, 1066662), (24, 888885), (27, 790120), (30, 711108), (36, 592590), (40, 533331), (45, 474072), (54, 395060), (60, 355554), (72, 296295), (90, 237036), (108, 197530), (120, 177777), (135, 158024), (180, 118518), (216, 98765), (270, 79012), (360, 59259), (540, 39506), (1080, 19753)]