21250158

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 43690752

約数和(自身を除く): 22440594

約数列:

[1, 2, 3, 6, 71, 83, 142, 166, 213, 249, 426, 498, 601, 1202, 1803, 3606, 5893, 11786, 17679, 35358, 42671, 49883, 85342, 99766, 128013, 149649, 256026, 299298, 3541693, 7083386, 10625079, 21250158]

約数ペア:

[(1, 21250158), (2, 10625079), (3, 7083386), (6, 3541693), (71, 299298), (83, 256026), (142, 149649), (166, 128013), (213, 99766), (249, 85342), (426, 49883), (498, 42671), (601, 35358), (1202, 17679), (1803, 11786), (3606, 5893)]