21936412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 21155588

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 269, 538, 551, 703, 1073, 1076, 1102, 1406, 2146, 2204, 2812, 4292, 5111, 7801, 9953, 10222, 15602, 19906, 20387, 20444, 31204, 39812, 40774, 81548, 148219, 189107, 288637, 296438, 378214, 577274, 592876, 756428, 1154548, 5484103, 10968206, 21936412]

約数ペア:

[(1, 21936412), (2, 10968206), (4, 5484103), (19, 1154548), (29, 756428), (37, 592876), (38, 577274), (58, 378214), (74, 296438), (76, 288637), (116, 189107), (148, 148219), (269, 81548), (538, 40774), (551, 39812), (703, 31204), (1073, 20444), (1076, 20387), (1102, 19906), (1406, 15602), (2146, 10222), (2204, 9953), (2812, 7801), (4292, 5111)]