21935166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 28494786

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 71, 93, 142, 151, 186, 213, 302, 341, 426, 453, 682, 781, 906, 1023, 1562, 1661, 2046, 2201, 2343, 3322, 4402, 4681, 4686, 4983, 6603, 9362, 9966, 10721, 13206, 14043, 21442, 24211, 28086, 32163, 48422, 51491, 64326, 72633, 102982, 117931, 145266, 154473, 235862, 308946, 332351, 353793, 664702, 707586, 997053, 1994106, 3655861, 7311722, 10967583, 21935166]

約数ペア:

[(1, 21935166), (2, 10967583), (3, 7311722), (6, 3655861), (11, 1994106), (22, 997053), (31, 707586), (33, 664702), (62, 353793), (66, 332351), (71, 308946), (93, 235862), (142, 154473), (151, 145266), (186, 117931), (213, 102982), (302, 72633), (341, 64326), (426, 51491), (453, 48422), (682, 32163), (781, 28086), (906, 24211), (1023, 21442), (1562, 14043), (1661, 13206), (2046, 10721), (2201, 9966), (2343, 9362), (3322, 6603), (4402, 4983), (4681, 4686)]