21817164

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 31647156

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 71, 87, 116, 142, 174, 213, 284, 348, 426, 852, 883, 1766, 2059, 2649, 3532, 4118, 5298, 6177, 8236, 10596, 12354, 24708, 25607, 51214, 62693, 76821, 102428, 125386, 153642, 188079, 250772, 307284, 376158, 752316, 1818097, 3636194, 5454291, 7272388, 10908582, 21817164]

約数ペア:

[(1, 21817164), (2, 10908582), (3, 7272388), (4, 5454291), (6, 3636194), (12, 1818097), (29, 752316), (58, 376158), (71, 307284), (87, 250772), (116, 188079), (142, 153642), (174, 125386), (213, 102428), (284, 76821), (348, 62693), (426, 51214), (852, 25607), (883, 24708), (1766, 12354), (2059, 10596), (2649, 8236), (3532, 6177), (4118, 5298)]