21568568049

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{677}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 38198324736

約数和(自身を除く): 16629756687

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 151, 153, 197, 357, 453, 591, 677, 1057, 1071, 1359, 1379, 1773, 2031, 2567, 3171, 3349, 4137, 4739, 6093, 7701, 9513, 10047, 11509, 12411, 14217, 17969, 23103, 23443, 29747, 30141, 34527, 42651, 53907, 70329, 80563, 89241, 102227, 103581, 133369, 161721, 208229, 210987, 241689, 267723, 306681, 400107, 505699, 624687, 715589, 725067, 920043, 933583, 1200321, 1517097, 1737859, 1874061, 2146767, 2267273, 2800749, 3539893, 4551291, 5213577, 6440301, 6801819, 8402247, 10619679, 12165013, 15640731, 15870911, 20138719, 20405457, 31859037, 36495039, 47612733, 60416157, 109485117, 140971033, 142838199, 181248471, 342358223, 422913099, 1027074669, 1268739297, 2396507561, 3081224007, 7189522683, 21568568049]

約数ペア:

[(1, 21568568049), (3, 7189522683), (7, 3081224007), (9, 2396507561), (17, 1268739297), (21, 1027074669), (51, 422913099), (63, 342358223), (119, 181248471), (151, 142838199), (153, 140971033), (197, 109485117), (357, 60416157), (453, 47612733), (591, 36495039), (677, 31859037), (1057, 20405457), (1071, 20138719), (1359, 15870911), (1379, 15640731), (1773, 12165013), (2031, 10619679), (2567, 8402247), (3171, 6801819), (3349, 6440301), (4137, 5213577), (4739, 4551291), (6093, 3539893), (7701, 2800749), (9513, 2267273), (10047, 2146767), (11509, 1874061), (12411, 1737859), (14217, 1517097), (17969, 1200321), (23103, 933583), (23443, 920043), (29747, 725067), (30141, 715589), (34527, 624687), (42651, 505699), (53907, 400107), (70329, 306681), (80563, 267723), (89241, 241689), (102227, 210987), (103581, 208229), (133369, 161721)]