21196806

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22141434

約数列:

[1, 2, 3, 6, 79, 158, 197, 227, 237, 394, 454, 474, 591, 681, 1182, 1362, 15563, 17933, 31126, 35866, 44719, 46689, 53799, 89438, 93378, 107598, 134157, 268314, 3532801, 7065602, 10598403, 21196806]

約数ペア:

[(1, 21196806), (2, 10598403), (3, 7065602), (6, 3532801), (79, 268314), (158, 134157), (197, 107598), (227, 93378), (237, 89438), (394, 53799), (454, 46689), (474, 44719), (591, 35866), (681, 31126), (1182, 17933), (1362, 15563)]