20921214

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151603}}^1$

素因数の和:151631

約数の個数: 16

約数和(自身を含む): 43661952

約数和(自身を除く): 22740738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151603, 303206, 454809, 909618, 3486869, 6973738, 10460607, 20921214]

約数ペア:

[(1, 20921214), (2, 10460607), (3, 6973738), (6, 3486869), (23, 909618), (46, 454809), (69, 303206), (138, 151603)]