21495100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19541}}^1$

素因数の和:19566

約数の個数: 36

約数和(自身を含む): 50887368

約数和(自身を除く): 29392268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19541, 39082, 78164, 97705, 195410, 214951, 390820, 429902, 488525, 859804, 977050, 1074755, 1954100, 2149510, 4299020, 5373775, 10747550, 21495100]

約数ペア:

[(1, 21495100), (2, 10747550), (4, 5373775), (5, 4299020), (10, 2149510), (11, 1954100), (20, 1074755), (22, 977050), (25, 859804), (44, 488525), (50, 429902), (55, 390820), (100, 214951), (110, 195410), (220, 97705), (275, 78164), (550, 39082), (1100, 19541)]