21502440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59729}}^1$

素因数の和:59746

約数の個数: 48

約数和(自身を含む): 69884100

約数和(自身を除く): 48381660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59729, 119458, 179187, 238916, 298645, 358374, 477832, 537561, 597290, 716748, 895935, 1075122, 1194580, 1433496, 1791870, 2150244, 2389160, 2687805, 3583740, 4300488, 5375610, 7167480, 10751220, 21502440]

約数ペア:

[(1, 21502440), (2, 10751220), (3, 7167480), (4, 5375610), (5, 4300488), (6, 3583740), (8, 2687805), (9, 2389160), (10, 2150244), (12, 1791870), (15, 1433496), (18, 1194580), (20, 1075122), (24, 895935), (30, 716748), (36, 597290), (40, 537561), (45, 477832), (60, 358374), (72, 298645), (90, 238916), (120, 179187), (180, 119458), (360, 59729)]