21347682

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 47568384

約数和(自身を除く): 26220702

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 61, 73, 94, 102, 122, 141, 146, 183, 219, 282, 366, 438, 799, 1037, 1241, 1598, 2074, 2397, 2482, 2867, 3111, 3431, 3723, 4453, 4794, 5734, 6222, 6862, 7446, 8601, 8906, 10293, 13359, 17202, 20586, 26718, 48739, 58327, 75701, 97478, 116654, 146217, 151402, 174981, 209291, 227103, 292434, 349962, 418582, 454206, 627873, 1255746, 3557947, 7115894, 10673841, 21347682]

約数ペア:

[(1, 21347682), (2, 10673841), (3, 7115894), (6, 3557947), (17, 1255746), (34, 627873), (47, 454206), (51, 418582), (61, 349962), (73, 292434), (94, 227103), (102, 209291), (122, 174981), (141, 151402), (146, 146217), (183, 116654), (219, 97478), (282, 75701), (366, 58327), (438, 48739), (799, 26718), (1037, 20586), (1241, 17202), (1598, 13359), (2074, 10293), (2397, 8906), (2482, 8601), (2867, 7446), (3111, 6862), (3431, 6222), (3723, 5734), (4453, 4794)]