21798784

素因数分解:

$2^7\times 7^1\times {\mathrm{24329}}^1$

素因数の和:24350

約数の個数: 32

約数和(自身を含む): 49633200

約数和(自身を除く): 27834416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 24329, 48658, 97316, 170303, 194632, 340606, 389264, 681212, 778528, 1362424, 1557056, 2724848, 3114112, 5449696, 10899392, 21798784]

約数ペア:

[(1, 21798784), (2, 10899392), (4, 5449696), (7, 3114112), (8, 2724848), (14, 1557056), (16, 1362424), (28, 778528), (32, 681212), (56, 389264), (64, 340606), (112, 194632), (128, 170303), (224, 97316), (448, 48658), (896, 24329)]