21218652

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 51034788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 63, 68, 78, 84, 91, 102, 108, 117, 119, 126, 127, 153, 156, 182, 189, 204, 221, 234, 238, 252, 254, 273, 306, 351, 357, 364, 378, 381, 442, 459, 468, 476, 508, 546, 612, 663, 702, 714, 756, 762, 819, 884, 889, 918, 1071, 1092, 1143, 1326, 1404, 1428, 1524, 1547, 1638, 1651, 1778, 1836, 1989, 2142, 2159, 2286, 2457, 2652, 2667, 3094, 3213, 3276, 3302, 3429, 3556, 3978, 4284, 4318, 4572, 4641, 4914, 4953, 5334, 5967, 6188, 6426, 6477, 6604, 6858, 7956, 8001, 8636, 9282, 9828, 9906, 10668, 11557, 11934, 12852, 12954, 13716, 13923, 14859, 15113, 16002, 18564, 19431, 19812, 23114, 23868, 24003, 25908, 27846, 28067, 29718, 30226, 32004, 34671, 38862, 41769, 44577, 45339, 46228, 48006, 55692, 56134, 58293, 59436, 60452, 69342, 77724, 83538, 84201, 89154, 90678, 96012, 104013, 112268, 116586, 136017, 138684, 167076, 168402, 178308, 181356, 196469, 208026, 233172, 252603, 272034, 312039, 336804, 392938, 408051, 416052, 505206, 544068, 589407, 624078, 757809, 785876, 816102, 1010412, 1178814, 1248156, 1515618, 1632204, 1768221, 2357628, 3031236, 3536442, 5304663, 7072884, 10609326, 21218652]

約数ペア:

[(1, 21218652), (2, 10609326), (3, 7072884), (4, 5304663), (6, 3536442), (7, 3031236), (9, 2357628), (12, 1768221), (13, 1632204), (14, 1515618), (17, 1248156), (18, 1178814), (21, 1010412), (26, 816102), (27, 785876), (28, 757809), (34, 624078), (36, 589407), (39, 544068), (42, 505206), (51, 416052), (52, 408051), (54, 392938), (63, 336804), (68, 312039), (78, 272034), (84, 252603), (91, 233172), (102, 208026), (108, 196469), (117, 181356), (119, 178308), (126, 168402), (127, 167076), (153, 138684), (156, 136017), (182, 116586), (189, 112268), (204, 104013), (221, 96012), (234, 90678), (238, 89154), (252, 84201), (254, 83538), (273, 77724), (306, 69342), (351, 60452), (357, 59436), (364, 58293), (378, 56134), (381, 55692), (442, 48006), (459, 46228), (468, 45339), (476, 44577), (508, 41769), (546, 38862), (612, 34671), (663, 32004), (702, 30226), (714, 29718), (756, 28067), (762, 27846), (819, 25908), (884, 24003), (889, 23868), (918, 23114), (1071, 19812), (1092, 19431), (1143, 18564), (1326, 16002), (1404, 15113), (1428, 14859), (1524, 13923), (1547, 13716), (1638, 12954), (1651, 12852), (1778, 11934), (1836, 11557), (1989, 10668), (2142, 9906), (2159, 9828), (2286, 9282), (2457, 8636), (2652, 8001), (2667, 7956), (3094, 6858), (3213, 6604), (3276, 6477), (3302, 6426), (3429, 6188), (3556, 5967), (3978, 5334), (4284, 4953), (4318, 4914), (4572, 4641)]