21437928

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15671}}^1$

素因数の和:15702

約数の個数: 48

約数和(自身を含む): 61120800

約数和(自身を除く): 39682872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15671, 31342, 47013, 62684, 94026, 125368, 141039, 188052, 282078, 297749, 376104, 564156, 595498, 893247, 1128312, 1190996, 1786494, 2381992, 2679741, 3572988, 5359482, 7145976, 10718964, 21437928]

約数ペア:

[(1, 21437928), (2, 10718964), (3, 7145976), (4, 5359482), (6, 3572988), (8, 2679741), (9, 2381992), (12, 1786494), (18, 1190996), (19, 1128312), (24, 893247), (36, 595498), (38, 564156), (57, 376104), (72, 297749), (76, 282078), (114, 188052), (152, 141039), (171, 125368), (228, 94026), (342, 62684), (456, 47013), (684, 31342), (1368, 15671)]