21850640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39019}}^1$

素因数の和:39039

約数の個数: 40

約数和(自身を含む): 58061760

約数和(自身を除く): 36211120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39019, 78038, 156076, 195095, 273133, 312152, 390190, 546266, 624304, 780380, 1092532, 1365665, 1560760, 2185064, 2731330, 3121520, 4370128, 5462660, 10925320, 21850640]

約数ペア:

[(1, 21850640), (2, 10925320), (4, 5462660), (5, 4370128), (7, 3121520), (8, 2731330), (10, 2185064), (14, 1560760), (16, 1365665), (20, 1092532), (28, 780380), (35, 624304), (40, 546266), (56, 390190), (70, 312152), (80, 273133), (112, 195095), (140, 156076), (280, 78038), (560, 39019)]