21255296

素因数分解:

$2^7\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 42599280

約数和(自身を除く): 21343984

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 422, 787, 844, 1574, 1688, 3148, 3376, 6296, 6752, 12592, 13504, 25184, 27008, 50368, 100736, 166057, 332114, 664228, 1328456, 2656912, 5313824, 10627648, 21255296]

約数ペア:

[(1, 21255296), (2, 10627648), (4, 5313824), (8, 2656912), (16, 1328456), (32, 664228), (64, 332114), (128, 166057), (211, 100736), (422, 50368), (787, 27008), (844, 25184), (1574, 13504), (1688, 12592), (3148, 6752), (3376, 6296)]