21809502

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 57264480

約数和(自身を除く): 35454978

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 37, 39, 66, 74, 78, 99, 111, 117, 143, 198, 222, 229, 234, 286, 333, 407, 429, 458, 481, 666, 687, 814, 858, 962, 1221, 1287, 1374, 1443, 2061, 2442, 2519, 2574, 2886, 2977, 3663, 4122, 4329, 5038, 5291, 5954, 7326, 7557, 8473, 8658, 8931, 10582, 15114, 15873, 16946, 17862, 22671, 25419, 26793, 31746, 32747, 45342, 47619, 50838, 53586, 65494, 76257, 93203, 95238, 98241, 110149, 152514, 186406, 196482, 220298, 279609, 294723, 330447, 559218, 589446, 660894, 838827, 991341, 1211639, 1677654, 1982682, 2423278, 3634917, 7269834, 10904751, 21809502]

約数ペア:

[(1, 21809502), (2, 10904751), (3, 7269834), (6, 3634917), (9, 2423278), (11, 1982682), (13, 1677654), (18, 1211639), (22, 991341), (26, 838827), (33, 660894), (37, 589446), (39, 559218), (66, 330447), (74, 294723), (78, 279609), (99, 220298), (111, 196482), (117, 186406), (143, 152514), (198, 110149), (222, 98241), (229, 95238), (234, 93203), (286, 76257), (333, 65494), (407, 53586), (429, 50838), (458, 47619), (481, 45342), (666, 32747), (687, 31746), (814, 26793), (858, 25419), (962, 22671), (1221, 17862), (1287, 16946), (1374, 15873), (1443, 15114), (2061, 10582), (2442, 8931), (2519, 8658), (2574, 8473), (2886, 7557), (2977, 7326), (3663, 5954), (4122, 5291), (4329, 5038)]