21293340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{967}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 59845632

約数和(自身を除く): 38552292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 967, 1101, 1468, 1835, 1934, 2202, 2901, 3670, 3868, 4404, 4835, 5505, 5802, 7340, 9670, 11010, 11604, 14505, 19340, 22020, 29010, 58020, 354889, 709778, 1064667, 1419556, 1774445, 2129334, 3548890, 4258668, 5323335, 7097780, 10646670, 21293340]

約数ペア:

[(1, 21293340), (2, 10646670), (3, 7097780), (4, 5323335), (5, 4258668), (6, 3548890), (10, 2129334), (12, 1774445), (15, 1419556), (20, 1064667), (30, 709778), (60, 354889), (367, 58020), (734, 29010), (967, 22020), (1101, 19340), (1468, 14505), (1835, 11604), (1934, 11010), (2202, 9670), (2901, 7340), (3670, 5802), (3868, 5505), (4404, 4835)]