21601112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 43856400

約数和(自身を除く): 22255288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 907, 916, 1814, 1832, 2977, 3628, 5954, 7256, 11791, 11908, 23582, 23816, 47164, 94328, 207703, 415406, 830812, 1661624, 2700139, 5400278, 10800556, 21601112]

約数ペア:

[(1, 21601112), (2, 10800556), (4, 5400278), (8, 2700139), (13, 1661624), (26, 830812), (52, 415406), (104, 207703), (229, 94328), (458, 47164), (907, 23816), (916, 23582), (1814, 11908), (1832, 11791), (2977, 7256), (3628, 5954)]