21278508732

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{4073}}^1$

素因数の和:4221

約数の個数: 144

約数和(自身を含む): 60414812640

約数和(自身を除く): 39136303908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 108, 117, 122, 156, 183, 234, 244, 351, 366, 468, 549, 702, 732, 793, 1098, 1404, 1586, 1647, 2196, 2379, 3172, 3294, 3721, 4073, 4758, 6588, 7137, 7442, 8146, 9516, 11163, 12219, 14274, 14884, 16292, 21411, 22326, 24438, 28548, 33489, 36657, 42822, 44652, 48373, 48876, 52949, 66978, 73314, 85644, 96746, 100467, 105898, 109971, 133956, 145119, 146628, 158847, 193492, 200934, 211796, 219942, 248453, 290238, 317694, 401868, 435357, 439884, 476541, 496906, 580476, 635388, 745359, 870714, 953082, 993812, 1306071, 1429623, 1490718, 1741428, 1906164, 2236077, 2612142, 2859246, 2981436, 3229889, 4472154, 5224284, 5718492, 6459778, 6708231, 8944308, 9689667, 12919556, 13416462, 15155633, 19379334, 26832924, 29069001, 30311266, 38758668, 45466899, 58138002, 60622532, 87207003, 90933798, 116276004, 136400697, 174414006, 181867596, 197023229, 272801394, 348828012, 394046458, 409202091, 545602788, 591069687, 788092916, 818404182, 1182139374, 1636808364, 1773209061, 2364278748, 3546418122, 5319627183, 7092836244, 10639254366, 21278508732]

約数ペア:

[(1, 21278508732), (2, 10639254366), (3, 7092836244), (4, 5319627183), (6, 3546418122), (9, 2364278748), (12, 1773209061), (13, 1636808364), (18, 1182139374), (26, 818404182), (27, 788092916), (36, 591069687), (39, 545602788), (52, 409202091), (54, 394046458), (61, 348828012), (78, 272801394), (108, 197023229), (117, 181867596), (122, 174414006), (156, 136400697), (183, 116276004), (234, 90933798), (244, 87207003), (351, 60622532), (366, 58138002), (468, 45466899), (549, 38758668), (702, 30311266), (732, 29069001), (793, 26832924), (1098, 19379334), (1404, 15155633), (1586, 13416462), (1647, 12919556), (2196, 9689667), (2379, 8944308), (3172, 6708231), (3294, 6459778), (3721, 5718492), (4073, 5224284), (4758, 4472154), (6588, 3229889), (7137, 2981436), (7442, 2859246), (8146, 2612142), (9516, 2236077), (11163, 1906164), (12219, 1741428), (14274, 1490718), (14884, 1429623), (16292, 1306071), (21411, 993812), (22326, 953082), (24438, 870714), (28548, 745359), (33489, 635388), (36657, 580476), (42822, 496906), (44652, 476541), (48373, 439884), (48876, 435357), (52949, 401868), (66978, 317694), (73314, 290238), (85644, 248453), (96746, 219942), (100467, 211796), (105898, 200934), (109971, 193492), (133956, 158847), (145119, 146628)]