21575160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6659}}^1$

素因数の和:6682

約数の個数: 80

約数和(自身を含む): 72527400

約数和(自身を除く): 50952240

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, 6659, 13318, 19977, 26636, 33295, 39954, 53272, 59931, 66590, 79908, 99885, 119862, 133180, 159816, 179793, 199770, 239724, 266360, 299655, 359586, 399540, 479448, 539379, 599310, 719172, 799080, 898965, 1078758, 1198620, 1438344, 1797930, 2157516, 2397240, 2696895, 3595860, 4315032, 5393790, 7191720, 10787580, 21575160]

約数ペア:

[(1, 21575160), (2, 10787580), (3, 7191720), (4, 5393790), (5, 4315032), (6, 3595860), (8, 2696895), (9, 2397240), (10, 2157516), (12, 1797930), (15, 1438344), (18, 1198620), (20, 1078758), (24, 898965), (27, 799080), (30, 719172), (36, 599310), (40, 539379), (45, 479448), (54, 399540), (60, 359586), (72, 299655), (81, 266360), (90, 239724), (108, 199770), (120, 179793), (135, 159816), (162, 133180), (180, 119862), (216, 99885), (270, 79908), (324, 66590), (360, 59931), (405, 53272), (540, 39954), (648, 33295), (810, 26636), (1080, 19977), (1620, 13318), (3240, 6659)]