21634240

素因数分解:

$2^6\times 5^1\times {\mathrm{67607}}^1$

素因数の和:67624

約数の個数: 28

約数和(自身を含む): 51517296

約数和(自身を除く): 29883056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67607, 135214, 270428, 338035, 540856, 676070, 1081712, 1352140, 2163424, 2704280, 4326848, 5408560, 10817120, 21634240]

約数ペア:

[(1, 21634240), (2, 10817120), (4, 5408560), (5, 4326848), (8, 2704280), (10, 2163424), (16, 1352140), (20, 1081712), (32, 676070), (40, 540856), (64, 338035), (80, 270428), (160, 135214), (320, 67607)]