21504546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1657}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 53798784

約数和(自身を除く): 32294238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1442, 1657, 1854, 2163, 3314, 4326, 4971, 6489, 9942, 11599, 12978, 14913, 23198, 29826, 34797, 69594, 104391, 170671, 208782, 341342, 512013, 1024026, 1194697, 1536039, 2389394, 3072078, 3584091, 7168182, 10752273, 21504546]

約数ペア:

[(1, 21504546), (2, 10752273), (3, 7168182), (6, 3584091), (7, 3072078), (9, 2389394), (14, 1536039), (18, 1194697), (21, 1024026), (42, 512013), (63, 341342), (103, 208782), (126, 170671), (206, 104391), (309, 69594), (618, 34797), (721, 29826), (927, 23198), (1442, 14913), (1657, 12978), (1854, 11599), (2163, 9942), (3314, 6489), (4326, 4971)]