21795830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3023}}^1$

素因数の和:3140

約数の個数: 32

約数和(自身を含む): 45287424

約数和(自身を除く): 23491594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3023, 3605, 6046, 7210, 15115, 21161, 30230, 42322, 105805, 211610, 311369, 622738, 1556845, 2179583, 3113690, 4359166, 10897915, 21795830]

約数ペア:

[(1, 21795830), (2, 10897915), (5, 4359166), (7, 3113690), (10, 2179583), (14, 1556845), (35, 622738), (70, 311369), (103, 211610), (206, 105805), (515, 42322), (721, 30230), (1030, 21161), (1442, 15115), (3023, 7210), (3605, 6046)]