21136680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19571}}^1$

素因数の和:19591

約数の個数: 64

約数和(自身を含む): 70459200

約数和(自身を除く): 49322520

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, 19571, 39142, 58713, 78284, 97855, 117426, 156568, 176139, 195710, 234852, 293565, 352278, 391420, 469704, 528417, 587130, 704556, 782840, 880695, 1056834, 1174260, 1409112, 1761390, 2113668, 2348520, 2642085, 3522780, 4227336, 5284170, 7045560, 10568340, 21136680]

約数ペア:

[(1, 21136680), (2, 10568340), (3, 7045560), (4, 5284170), (5, 4227336), (6, 3522780), (8, 2642085), (9, 2348520), (10, 2113668), (12, 1761390), (15, 1409112), (18, 1174260), (20, 1056834), (24, 880695), (27, 782840), (30, 704556), (36, 587130), (40, 528417), (45, 469704), (54, 391420), (60, 352278), (72, 293565), (90, 234852), (108, 195710), (120, 176139), (135, 156568), (180, 117426), (216, 97855), (270, 78284), (360, 58713), (540, 39142), (1080, 19571)]