21206160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29453}}^1$

素因数の和:29472

約数の個数: 60

約数和(自身を含む): 71219772

約数和(自身を除く): 50013612

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, 29453, 58906, 88359, 117812, 147265, 176718, 235624, 265077, 294530, 353436, 441795, 471248, 530154, 589060, 706872, 883590, 1060308, 1178120, 1325385, 1413744, 1767180, 2120616, 2356240, 2650770, 3534360, 4241232, 5301540, 7068720, 10603080, 21206160]

約数ペア:

[(1, 21206160), (2, 10603080), (3, 7068720), (4, 5301540), (5, 4241232), (6, 3534360), (8, 2650770), (9, 2356240), (10, 2120616), (12, 1767180), (15, 1413744), (16, 1325385), (18, 1178120), (20, 1060308), (24, 883590), (30, 706872), (36, 589060), (40, 530154), (45, 471248), (48, 441795), (60, 353436), (72, 294530), (80, 265077), (90, 235624), (120, 176718), (144, 147265), (180, 117812), (240, 88359), (360, 58906), (720, 29453)]