21225240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6551}}^1$

素因数の和:6574

約数の個数: 80

約数和(自身を含む): 71351280

約数和(自身を除く): 50126040

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6551, 13102, 19653, 26204, 32755, 39306, 52408, 58959, 65510, 78612, 98265, 117918, 131020, 157224, 176877, 196530, 235836, 262040, 294795, 353754, 393060, 471672, 530631, 589590, 707508, 786120, 884385, 1061262, 1179180, 1415016, 1768770, 2122524, 2358360, 2653155, 3537540, 4245048, 5306310, 7075080, 10612620, 21225240]

約数ペア:

[(1, 21225240), (2, 10612620), (3, 7075080), (4, 5306310), (5, 4245048), (6, 3537540), (8, 2653155), (9, 2358360), (10, 2122524), (12, 1768770), (15, 1415016), (18, 1179180), (20, 1061262), (24, 884385), (27, 786120), (30, 707508), (36, 589590), (40, 530631), (45, 471672), (54, 393060), (60, 353754), (72, 294795), (81, 262040), (90, 235836), (108, 196530), (120, 176877), (135, 157224), (162, 131020), (180, 117918), (216, 98265), (270, 78612), (324, 65510), (360, 58959), (405, 52408), (540, 39306), (648, 32755), (810, 26204), (1080, 19653), (1620, 13102), (3240, 6551)]