21000401290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2615243}}^1$

素因数の和:2615334

約数の個数: 32

約数和(自身を含む): 41802060096

約数和(自身を除く): 20801658806

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 2615243, 5230486, 13076215, 26152430, 28767673, 57535346, 143838365, 190912739, 287676730, 381825478, 954563695, 1909127390, 2100040129, 4200080258, 10500200645, 21000401290]

約数ペア:

[(1, 21000401290), (2, 10500200645), (5, 4200080258), (10, 2100040129), (11, 1909127390), (22, 954563695), (55, 381825478), (73, 287676730), (110, 190912739), (146, 143838365), (365, 57535346), (730, 28767673), (803, 26152430), (1606, 13076215), (4015, 5230486), (8030, 2615243)]