21618288

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8831}}^1$

素因数の和:8862

約数の個数: 60

約数和(自身を含む): 64067328

約数和(自身を除く): 42449040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8831, 17662, 26493, 35324, 52986, 70648, 79479, 105972, 141296, 150127, 158958, 211944, 300254, 317916, 423888, 450381, 600508, 635832, 900762, 1201016, 1271664, 1351143, 1801524, 2402032, 2702286, 3603048, 5404572, 7206096, 10809144, 21618288]

約数ペア:

[(1, 21618288), (2, 10809144), (3, 7206096), (4, 5404572), (6, 3603048), (8, 2702286), (9, 2402032), (12, 1801524), (16, 1351143), (17, 1271664), (18, 1201016), (24, 900762), (34, 635832), (36, 600508), (48, 450381), (51, 423888), (68, 317916), (72, 300254), (102, 211944), (136, 158958), (144, 150127), (153, 141296), (204, 105972), (272, 79479), (306, 70648), (408, 52986), (612, 35324), (816, 26493), (1224, 17662), (2448, 8831)]