21239477532

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{720373}}^1$

素因数の和:720409

約数の個数: 120

約数和(自身を含む): 68337559136

約数和(自身を除く): 47098081604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 3276, 4212, 4914, 7371, 9828, 14742, 29484, 720373, 1440746, 2161119, 2881492, 4322238, 5042611, 6483357, 8644476, 9364849, 10085222, 12966714, 15127833, 18729698, 19450071, 20170444, 25933428, 28094547, 30255666, 37459396, 38900142, 45383499, 56189094, 58350213, 60511332, 65553943, 77800284, 84283641, 90766998, 112378188, 116700426, 131107886, 136150497, 168567282, 181533996, 196661829, 233400852, 252850923, 262215772, 272300994, 337134564, 393323658, 408451491, 505701846, 544601988, 589985487, 758552769, 786647316, 816902982, 1011403692, 1179970974, 1517105538, 1633805964, 1769956461, 2359941948, 3034211076, 3539912922, 5309869383, 7079825844, 10619738766, 21239477532]

約数ペア:

[(1, 21239477532), (2, 10619738766), (3, 7079825844), (4, 5309869383), (6, 3539912922), (7, 3034211076), (9, 2359941948), (12, 1769956461), (13, 1633805964), (14, 1517105538), (18, 1179970974), (21, 1011403692), (26, 816902982), (27, 786647316), (28, 758552769), (36, 589985487), (39, 544601988), (42, 505701846), (52, 408451491), (54, 393323658), (63, 337134564), (78, 272300994), (81, 262215772), (84, 252850923), (91, 233400852), (108, 196661829), (117, 181533996), (126, 168567282), (156, 136150497), (162, 131107886), (182, 116700426), (189, 112378188), (234, 90766998), (252, 84283641), (273, 77800284), (324, 65553943), (351, 60511332), (364, 58350213), (378, 56189094), (468, 45383499), (546, 38900142), (567, 37459396), (702, 30255666), (756, 28094547), (819, 25933428), (1053, 20170444), (1092, 19450071), (1134, 18729698), (1404, 15127833), (1638, 12966714), (2106, 10085222), (2268, 9364849), (2457, 8644476), (3276, 6483357), (4212, 5042611), (4914, 4322238), (7371, 2881492), (9828, 2161119), (14742, 1440746), (29484, 720373)]