21291776

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7561}}^1$

素因数の和:7588

約数の個数: 36

約数和(自身を含む): 46370184

約数和(自身を除く): 25078408

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7561, 15122, 30244, 60488, 83171, 120976, 166342, 241952, 332684, 483904, 665368, 967808, 1330736, 1935616, 2661472, 5322944, 10645888, 21291776]

約数ペア:

[(1, 21291776), (2, 10645888), (4, 5322944), (8, 2661472), (11, 1935616), (16, 1330736), (22, 967808), (32, 665368), (44, 483904), (64, 332684), (88, 241952), (128, 166342), (176, 120976), (256, 83171), (352, 60488), (704, 30244), (1408, 15122), (2816, 7561)]