21319408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4177}}^1$

素因数の和:4225

約数の個数: 40

約数和(自身を含む): 46626480

約数和(自身を除く): 25307072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4177, 5104, 8354, 16708, 33416, 45947, 66832, 91894, 121133, 183788, 242266, 367576, 484532, 735152, 969064, 1332463, 1938128, 2664926, 5329852, 10659704, 21319408]

約数ペア:

[(1, 21319408), (2, 10659704), (4, 5329852), (8, 2664926), (11, 1938128), (16, 1332463), (22, 969064), (29, 735152), (44, 484532), (58, 367576), (88, 242266), (116, 183788), (176, 121133), (232, 91894), (319, 66832), (464, 45947), (638, 33416), (1276, 16708), (2552, 8354), (4177, 5104)]