21772168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 26335352

約数列:

[1, 2, 4, 8, 11, 22, 23, 31, 44, 46, 62, 88, 92, 124, 184, 248, 253, 341, 347, 506, 682, 694, 713, 1012, 1364, 1388, 1426, 2024, 2728, 2776, 2852, 3817, 5704, 7634, 7843, 7981, 10757, 15268, 15686, 15962, 21514, 30536, 31372, 31924, 43028, 62744, 63848, 86056, 87791, 118327, 175582, 236654, 247411, 351164, 473308, 494822, 702328, 946616, 989644, 1979288, 2721521, 5443042, 10886084, 21772168]

約数ペア:

[(1, 21772168), (2, 10886084), (4, 5443042), (8, 2721521), (11, 1979288), (22, 989644), (23, 946616), (31, 702328), (44, 494822), (46, 473308), (62, 351164), (88, 247411), (92, 236654), (124, 175582), (184, 118327), (248, 87791), (253, 86056), (341, 63848), (347, 62744), (506, 43028), (682, 31924), (694, 31372), (713, 30536), (1012, 21514), (1364, 15962), (1388, 15686), (1426, 15268), (2024, 10757), (2728, 7981), (2776, 7843), (2852, 7634), (3817, 5704)]