21467340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6277}}^1$

素因数の和:6311

約数の個数: 72

約数和(自身を含む): 68555760

約数和(自身を除く): 47088420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6277, 12554, 18831, 25108, 31385, 37662, 56493, 62770, 75324, 94155, 112986, 119263, 125540, 188310, 225972, 238526, 282465, 357789, 376620, 477052, 564930, 596315, 715578, 1073367, 1129860, 1192630, 1431156, 1788945, 2146734, 2385260, 3577890, 4293468, 5366835, 7155780, 10733670, 21467340]

約数ペア:

[(1, 21467340), (2, 10733670), (3, 7155780), (4, 5366835), (5, 4293468), (6, 3577890), (9, 2385260), (10, 2146734), (12, 1788945), (15, 1431156), (18, 1192630), (19, 1129860), (20, 1073367), (30, 715578), (36, 596315), (38, 564930), (45, 477052), (57, 376620), (60, 357789), (76, 282465), (90, 238526), (95, 225972), (114, 188310), (171, 125540), (180, 119263), (190, 112986), (228, 94155), (285, 75324), (342, 62770), (380, 56493), (570, 37662), (684, 31385), (855, 25108), (1140, 18831), (1710, 12554), (3420, 6277)]