21036498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13537}}^1$

素因数の和:13586

約数の個数: 32

約数和(自身を含む): 49386624

約数和(自身を除く): 28350126

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13537, 27074, 40611, 81222, 94759, 189518, 284277, 500869, 568554, 1001738, 1502607, 3005214, 3506083, 7012166, 10518249, 21036498]

約数ペア:

[(1, 21036498), (2, 10518249), (3, 7012166), (6, 3506083), (7, 3005214), (14, 1502607), (21, 1001738), (37, 568554), (42, 500869), (74, 284277), (111, 189518), (222, 94759), (259, 81222), (518, 40611), (777, 27074), (1554, 13537)]