21019284

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1398

約数の個数: 96

約数和(自身を含む): 64068480

約数和(自身を除く): 43049196

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 198, 234, 286, 297, 351, 396, 429, 468, 572, 594, 702, 858, 1188, 1287, 1361, 1404, 1716, 2574, 2722, 3861, 4083, 5148, 5444, 7722, 8166, 12249, 14971, 15444, 16332, 17693, 24498, 29942, 35386, 36747, 44913, 48996, 53079, 59884, 70772, 73494, 89826, 106158, 134739, 146988, 159237, 179652, 194623, 212316, 269478, 318474, 389246, 404217, 477711, 538956, 583869, 636948, 778492, 808434, 955422, 1167738, 1616868, 1751607, 1910844, 2335476, 3503214, 5254821, 7006428, 10509642, 21019284]

約数ペア:

[(1, 21019284), (2, 10509642), (3, 7006428), (4, 5254821), (6, 3503214), (9, 2335476), (11, 1910844), (12, 1751607), (13, 1616868), (18, 1167738), (22, 955422), (26, 808434), (27, 778492), (33, 636948), (36, 583869), (39, 538956), (44, 477711), (52, 404217), (54, 389246), (66, 318474), (78, 269478), (99, 212316), (108, 194623), (117, 179652), (132, 159237), (143, 146988), (156, 134739), (198, 106158), (234, 89826), (286, 73494), (297, 70772), (351, 59884), (396, 53079), (429, 48996), (468, 44913), (572, 36747), (594, 35386), (702, 29942), (858, 24498), (1188, 17693), (1287, 16332), (1361, 15444), (1404, 14971), (1716, 12249), (2574, 8166), (2722, 7722), (3861, 5444), (4083, 5148)]