21923948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 21621652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 239, 284, 323, 478, 646, 956, 1207, 1292, 1349, 2414, 2698, 4063, 4541, 4828, 5396, 8126, 9082, 16252, 16969, 18164, 22933, 33938, 45866, 67876, 77197, 91732, 154394, 288473, 308788, 322411, 576946, 644822, 1153892, 1289644, 5480987, 10961974, 21923948]

約数ペア:

[(1, 21923948), (2, 10961974), (4, 5480987), (17, 1289644), (19, 1153892), (34, 644822), (38, 576946), (68, 322411), (71, 308788), (76, 288473), (142, 154394), (239, 91732), (284, 77197), (323, 67876), (478, 45866), (646, 33938), (956, 22933), (1207, 18164), (1292, 16969), (1349, 16252), (2414, 9082), (2698, 8126), (4063, 5396), (4541, 4828)]