21562240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4813}}^1$

素因数の和:4839

約数の個数: 64

約数和(自身を含む): 58923360

約数和(自身を除く): 37361120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4813, 9626, 19252, 24065, 33691, 38504, 48130, 67382, 77008, 96260, 134764, 154016, 168455, 192520, 269528, 308032, 336910, 385040, 539056, 616064, 673820, 770080, 1078112, 1347640, 1540160, 2156224, 2695280, 3080320, 4312448, 5390560, 10781120, 21562240]

約数ペア:

[(1, 21562240), (2, 10781120), (4, 5390560), (5, 4312448), (7, 3080320), (8, 2695280), (10, 2156224), (14, 1540160), (16, 1347640), (20, 1078112), (28, 770080), (32, 673820), (35, 616064), (40, 539056), (56, 385040), (64, 336910), (70, 308032), (80, 269528), (112, 192520), (128, 168455), (140, 154016), (160, 134764), (224, 96260), (280, 77008), (320, 67382), (448, 48130), (560, 38504), (640, 33691), (896, 24065), (1120, 19252), (2240, 9626), (4480, 4813)]