21694842

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 33341958

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 29, 39, 46, 58, 69, 78, 87, 117, 138, 139, 174, 207, 234, 261, 278, 299, 377, 414, 417, 522, 598, 667, 754, 834, 897, 1131, 1251, 1334, 1794, 1807, 2001, 2262, 2502, 2691, 3197, 3393, 3614, 4002, 4031, 5382, 5421, 6003, 6394, 6786, 8062, 8671, 9591, 10842, 12006, 12093, 16263, 17342, 19182, 24186, 26013, 28773, 32526, 36279, 41561, 52026, 52403, 57546, 72558, 78039, 83122, 92713, 104806, 124683, 156078, 157209, 185426, 249366, 278139, 314418, 374049, 471627, 556278, 748098, 834417, 943254, 1205269, 1668834, 2410538, 3615807, 7231614, 10847421, 21694842]

約数ペア:

[(1, 21694842), (2, 10847421), (3, 7231614), (6, 3615807), (9, 2410538), (13, 1668834), (18, 1205269), (23, 943254), (26, 834417), (29, 748098), (39, 556278), (46, 471627), (58, 374049), (69, 314418), (78, 278139), (87, 249366), (117, 185426), (138, 157209), (139, 156078), (174, 124683), (207, 104806), (234, 92713), (261, 83122), (278, 78039), (299, 72558), (377, 57546), (414, 52403), (417, 52026), (522, 41561), (598, 36279), (667, 32526), (754, 28773), (834, 26013), (897, 24186), (1131, 19182), (1251, 17342), (1334, 16263), (1794, 12093), (1807, 12006), (2001, 10842), (2262, 9591), (2502, 8671), (2691, 8062), (3197, 6786), (3393, 6394), (3614, 6003), (4002, 5421), (4031, 5382)]