21615384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128663}}^1$

素因数の和:128679

約数の個数: 32

約数和(自身を含む): 61758720

約数和(自身を除く): 40143336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128663, 257326, 385989, 514652, 771978, 900641, 1029304, 1543956, 1801282, 2701923, 3087912, 3602564, 5403846, 7205128, 10807692, 21615384]

約数ペア:

[(1, 21615384), (2, 10807692), (3, 7205128), (4, 5403846), (6, 3602564), (7, 3087912), (8, 2701923), (12, 1801282), (14, 1543956), (21, 1029304), (24, 900641), (28, 771978), (42, 514652), (56, 385989), (84, 257326), (168, 128663)]