21539993930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{324251}}^1$

素因数の和:324351

約数の個数: 64

約数和(自身を含む): 48373210368

約数和(自身を除く): 26833216438

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1898, 2555, 4745, 5110, 6643, 9490, 13286, 33215, 66430, 324251, 648502, 1621255, 2269757, 3242510, 4215263, 4539514, 8430526, 11348785, 21076315, 22697570, 23670323, 29506841, 42152630, 47340646, 59013682, 118351615, 147534205, 165692261, 236703230, 295068410, 307714199, 331384522, 615428398, 828461305, 1538570995, 1656922610, 2153999393, 3077141990, 4307998786, 10769996965, 21539993930]

約数ペア:

[(1, 21539993930), (2, 10769996965), (5, 4307998786), (7, 3077141990), (10, 2153999393), (13, 1656922610), (14, 1538570995), (26, 828461305), (35, 615428398), (65, 331384522), (70, 307714199), (73, 295068410), (91, 236703230), (130, 165692261), (146, 147534205), (182, 118351615), (365, 59013682), (455, 47340646), (511, 42152630), (730, 29506841), (910, 23670323), (949, 22697570), (1022, 21076315), (1898, 11348785), (2555, 8430526), (4745, 4539514), (5110, 4215263), (6643, 3242510), (9490, 2269757), (13286, 1621255), (33215, 648502), (66430, 324251)]