21508712430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3187}}^1\times {\mathrm{9781}}^1$

素因数の和:13001

約数の個数: 64

約数和(自身を含む): 53887707648

約数和(自身を除く): 32378995218

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 3187, 6374, 9561, 9781, 15935, 19122, 19562, 29343, 31870, 47805, 48905, 58686, 73301, 95610, 97810, 146602, 146715, 219903, 224963, 293430, 366505, 439806, 449926, 674889, 733010, 1099515, 1124815, 1349778, 2199030, 2249630, 3374445, 6748890, 31172047, 62344094, 93516141, 155860235, 187032282, 311720470, 467580705, 716957081, 935161410, 1433914162, 2150871243, 3584785405, 4301742486, 7169570810, 10754356215, 21508712430]

約数ペア:

[(1, 21508712430), (2, 10754356215), (3, 7169570810), (5, 4301742486), (6, 3584785405), (10, 2150871243), (15, 1433914162), (23, 935161410), (30, 716957081), (46, 467580705), (69, 311720470), (115, 187032282), (138, 155860235), (230, 93516141), (345, 62344094), (690, 31172047), (3187, 6748890), (6374, 3374445), (9561, 2249630), (9781, 2199030), (15935, 1349778), (19122, 1124815), (19562, 1099515), (29343, 733010), (31870, 674889), (47805, 449926), (48905, 439806), (58686, 366505), (73301, 293430), (95610, 224963), (97810, 219903), (146602, 146715)]