21932672

素因数分解:

$2^7\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 45264030

約数和(自身を除く): 23331358

約数列:

[1, 2, 4, 8, 16, 32, 53, 61, 64, 106, 122, 128, 212, 244, 424, 488, 848, 976, 1696, 1952, 2809, 3233, 3392, 3904, 5618, 6466, 6784, 7808, 11236, 12932, 22472, 25864, 44944, 51728, 89888, 103456, 171349, 179776, 206912, 342698, 359552, 413824, 685396, 1370792, 2741584, 5483168, 10966336, 21932672]

約数ペア:

[(1, 21932672), (2, 10966336), (4, 5483168), (8, 2741584), (16, 1370792), (32, 685396), (53, 413824), (61, 359552), (64, 342698), (106, 206912), (122, 179776), (128, 171349), (212, 103456), (244, 89888), (424, 51728), (488, 44944), (848, 25864), (976, 22472), (1696, 12932), (1952, 11236), (2809, 7808), (3233, 6784), (3392, 6466), (3904, 5618)]