21190055020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{202931}}^1$

素因数の和:203190

約数の個数: 48

約数和(自身を含む): 46638643968

約数和(自身を除く): 25448588948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 908, 1135, 2270, 4540, 5221, 10442, 20884, 26105, 52210, 104420, 202931, 405862, 811724, 1014655, 2029310, 4058620, 4667413, 9334826, 18669652, 23337065, 46065337, 46674130, 92130674, 93348260, 184261348, 230326685, 460653370, 921306740, 1059502751, 2119005502, 4238011004, 5297513755, 10595027510, 21190055020]

約数ペア:

[(1, 21190055020), (2, 10595027510), (4, 5297513755), (5, 4238011004), (10, 2119005502), (20, 1059502751), (23, 921306740), (46, 460653370), (92, 230326685), (115, 184261348), (227, 93348260), (230, 92130674), (454, 46674130), (460, 46065337), (908, 23337065), (1135, 18669652), (2270, 9334826), (4540, 4667413), (5221, 4058620), (10442, 2029310), (20884, 1014655), (26105, 811724), (52210, 405862), (104420, 202931)]