21286482

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4259}}^1$

素因数の和:4295

約数の個数: 48

約数和(自身を含む): 52449120

約数和(自身を除く): 31162638

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4259, 4998, 8518, 12777, 25554, 29813, 59626, 72403, 89439, 144806, 178878, 208691, 217209, 417382, 434418, 506821, 626073, 1013642, 1252146, 1520463, 3040926, 3547747, 7095494, 10643241, 21286482]

約数ペア:

[(1, 21286482), (2, 10643241), (3, 7095494), (6, 3547747), (7, 3040926), (14, 1520463), (17, 1252146), (21, 1013642), (34, 626073), (42, 506821), (49, 434418), (51, 417382), (98, 217209), (102, 208691), (119, 178878), (147, 144806), (238, 89439), (294, 72403), (357, 59626), (714, 29813), (833, 25554), (1666, 12777), (2499, 8518), (4259, 4998)]