21507480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59743}}^1$

素因数の和:59760

約数の個数: 48

約数和(自身を含む): 69900480

約数和(自身を除く): 48393000

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, 59743, 119486, 179229, 238972, 298715, 358458, 477944, 537687, 597430, 716916, 896145, 1075374, 1194860, 1433832, 1792290, 2150748, 2389720, 2688435, 3584580, 4301496, 5376870, 7169160, 10753740, 21507480]

約数ペア:

[(1, 21507480), (2, 10753740), (3, 7169160), (4, 5376870), (5, 4301496), (6, 3584580), (8, 2688435), (9, 2389720), (10, 2150748), (12, 1792290), (15, 1433832), (18, 1194860), (20, 1075374), (24, 896145), (30, 716916), (36, 597430), (40, 537687), (45, 477944), (60, 358458), (72, 298715), (90, 238972), (120, 179229), (180, 119486), (360, 59743)]