21229952

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 43003200

約数和(自身を除く): 21773248

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2719, 3904, 5438, 7808, 10876, 21752, 43504, 87008, 165859, 174016, 331718, 348032, 663436, 1326872, 2653744, 5307488, 10614976, 21229952]

約数ペア:

[(1, 21229952), (2, 10614976), (4, 5307488), (8, 2653744), (16, 1326872), (32, 663436), (61, 348032), (64, 331718), (122, 174016), (128, 165859), (244, 87008), (488, 43504), (976, 21752), (1952, 10876), (2719, 7808), (3904, 5438)]