21608944

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6653}}^1$

素因数の和:6697

約数の個数: 40

約数和(自身を含む): 49505760

約数和(自身を除く): 27896816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6653, 13306, 26612, 46571, 53224, 93142, 106448, 186284, 192937, 372568, 385874, 745136, 771748, 1350559, 1543496, 2701118, 3086992, 5402236, 10804472, 21608944]

約数ペア:

[(1, 21608944), (2, 10804472), (4, 5402236), (7, 3086992), (8, 2701118), (14, 1543496), (16, 1350559), (28, 771748), (29, 745136), (56, 385874), (58, 372568), (112, 192937), (116, 186284), (203, 106448), (232, 93142), (406, 53224), (464, 46571), (812, 26612), (1624, 13306), (3248, 6653)]