21573384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128413}}^1$

素因数の和:128429

約数の個数: 32

約数和(自身を含む): 61638720

約数和(自身を除く): 40065336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128413, 256826, 385239, 513652, 770478, 898891, 1027304, 1540956, 1797782, 2696673, 3081912, 3595564, 5393346, 7191128, 10786692, 21573384]

約数ペア:

[(1, 21573384), (2, 10786692), (3, 7191128), (4, 5393346), (6, 3595564), (7, 3081912), (8, 2696673), (12, 1797782), (14, 1540956), (21, 1027304), (24, 898891), (28, 770478), (42, 513652), (56, 385239), (84, 256826), (168, 128413)]