21202536

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 56652480

約数和(自身を除く): 35449944

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 157, 204, 314, 331, 408, 471, 628, 662, 942, 993, 1256, 1324, 1884, 1986, 2648, 2669, 3768, 3972, 5338, 5627, 7944, 8007, 10676, 11254, 16014, 16881, 21352, 22508, 32028, 33762, 45016, 51967, 64056, 67524, 103934, 135048, 155901, 207868, 311802, 415736, 623604, 883439, 1247208, 1766878, 2650317, 3533756, 5300634, 7067512, 10601268, 21202536]

約数ペア:

[(1, 21202536), (2, 10601268), (3, 7067512), (4, 5300634), (6, 3533756), (8, 2650317), (12, 1766878), (17, 1247208), (24, 883439), (34, 623604), (51, 415736), (68, 311802), (102, 207868), (136, 155901), (157, 135048), (204, 103934), (314, 67524), (331, 64056), (408, 51967), (471, 45016), (628, 33762), (662, 32028), (942, 22508), (993, 21352), (1256, 16881), (1324, 16014), (1884, 11254), (1986, 10676), (2648, 8007), (2669, 7944), (3768, 5627), (3972, 5338)]