21370248

素因数分解:

$2^3\times 3^2\times {\mathrm{293}}^1\times {\mathrm{1013}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 58132620

約数和(自身を除く): 36762372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293, 586, 879, 1013, 1172, 1758, 2026, 2344, 2637, 3039, 3516, 4052, 5274, 6078, 7032, 8104, 9117, 10548, 12156, 18234, 21096, 24312, 36468, 72936, 296809, 593618, 890427, 1187236, 1780854, 2374472, 2671281, 3561708, 5342562, 7123416, 10685124, 21370248]

約数ペア:

[(1, 21370248), (2, 10685124), (3, 7123416), (4, 5342562), (6, 3561708), (8, 2671281), (9, 2374472), (12, 1780854), (18, 1187236), (24, 890427), (36, 593618), (72, 296809), (293, 72936), (586, 36468), (879, 24312), (1013, 21096), (1172, 18234), (1758, 12156), (2026, 10548), (2344, 9117), (2637, 8104), (3039, 7032), (3516, 6078), (4052, 5274)]