21729264

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 39695376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 859, 1054, 1488, 1581, 1718, 2108, 2577, 3162, 3436, 4216, 5154, 6324, 6872, 8432, 10308, 12648, 13744, 14603, 20616, 25296, 26629, 29206, 41232, 43809, 53258, 58412, 79887, 87618, 106516, 116824, 159774, 175236, 213032, 233648, 319548, 350472, 426064, 452693, 639096, 700944, 905386, 1278192, 1358079, 1810772, 2716158, 3621544, 5432316, 7243088, 10864632, 21729264]

約数ペア:

[(1, 21729264), (2, 10864632), (3, 7243088), (4, 5432316), (6, 3621544), (8, 2716158), (12, 1810772), (16, 1358079), (17, 1278192), (24, 905386), (31, 700944), (34, 639096), (48, 452693), (51, 426064), (62, 350472), (68, 319548), (93, 233648), (102, 213032), (124, 175236), (136, 159774), (186, 116824), (204, 106516), (248, 87618), (272, 79887), (372, 58412), (408, 53258), (496, 43809), (527, 41232), (744, 29206), (816, 26629), (859, 25296), (1054, 20616), (1488, 14603), (1581, 13744), (1718, 12648), (2108, 10308), (2577, 8432), (3162, 6872), (3436, 6324), (4216, 5154)]