21000620154

素因数分解:

$2^1\times 3^1\times {\mathrm{8737}}^1\times {\mathrm{400607}}^1$

素因数の和:409349

約数の個数: 16

約数和(自身を含む): 42006152448

約数和(自身を除く): 21005532294

約数列:

[1, 2, 3, 6, 8737, 17474, 26211, 52422, 400607, 801214, 1201821, 2403642, 3500103359, 7000206718, 10500310077, 21000620154]

約数ペア:

[(1, 21000620154), (2, 10500310077), (3, 7000206718), (6, 3500103359), (8737, 2403642), (17474, 1201821), (26211, 801214), (52422, 400607)]