212121502

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 339393600

約数和(自身を除く): 127272098

約数列:

[1, 2, 23, 46, 73, 146, 181, 349, 362, 698, 1679, 3358, 4163, 8027, 8326, 13213, 16054, 25477, 26426, 50954, 63169, 126338, 303899, 585971, 607798, 1171942, 1452887, 2905774, 4611337, 9222674, 106060751, 212121502]

約数ペア:

[(1, 212121502), (2, 106060751), (23, 9222674), (46, 4611337), (73, 2905774), (146, 1452887), (181, 1171942), (349, 607798), (362, 585971), (698, 303899), (1679, 126338), (3358, 63169), (4163, 50954), (8027, 26426), (8326, 25477), (13213, 16054)]