21889300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3083}}^1$

素因数の和:3168

約数の個数: 36

約数和(自身を含む): 48184416

約数和(自身を除く): 26295116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3083, 3550, 6166, 7100, 12332, 15415, 30830, 61660, 77075, 154150, 218893, 308300, 437786, 875572, 1094465, 2188930, 4377860, 5472325, 10944650, 21889300]

約数ペア:

[(1, 21889300), (2, 10944650), (4, 5472325), (5, 4377860), (10, 2188930), (20, 1094465), (25, 875572), (50, 437786), (71, 308300), (100, 218893), (142, 154150), (284, 77075), (355, 61660), (710, 30830), (1420, 15415), (1775, 12332), (3083, 7100), (3550, 6166)]