21517306488

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{61657}}^1$

素因数の和:61837

約数の個数: 96

約数和(自身を含む): 60308922960

約数和(自身を除く): 38791616472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 131, 148, 222, 262, 296, 333, 393, 444, 524, 666, 786, 888, 1048, 1179, 1332, 1572, 2358, 2664, 3144, 4716, 4847, 9432, 9694, 14541, 19388, 29082, 38776, 43623, 58164, 61657, 87246, 116328, 123314, 174492, 184971, 246628, 348984, 369942, 493256, 554913, 739884, 1109826, 1479768, 2219652, 2281309, 4439304, 4562618, 6843927, 8077067, 9125236, 13687854, 16154134, 18250472, 20531781, 24231201, 27375708, 32308268, 41063562, 48462402, 54751416, 64616536, 72693603, 82127124, 96924804, 145387206, 164254248, 193849608, 290774412, 298851479, 581548824, 597702958, 896554437, 1195405916, 1793108874, 2390811832, 2689663311, 3586217748, 5379326622, 7172435496, 10758653244, 21517306488]

約数ペア:

[(1, 21517306488), (2, 10758653244), (3, 7172435496), (4, 5379326622), (6, 3586217748), (8, 2689663311), (9, 2390811832), (12, 1793108874), (18, 1195405916), (24, 896554437), (36, 597702958), (37, 581548824), (72, 298851479), (74, 290774412), (111, 193849608), (131, 164254248), (148, 145387206), (222, 96924804), (262, 82127124), (296, 72693603), (333, 64616536), (393, 54751416), (444, 48462402), (524, 41063562), (666, 32308268), (786, 27375708), (888, 24231201), (1048, 20531781), (1179, 18250472), (1332, 16154134), (1572, 13687854), (2358, 9125236), (2664, 8077067), (3144, 6843927), (4716, 4562618), (4847, 4439304), (9432, 2281309), (9694, 2219652), (14541, 1479768), (19388, 1109826), (29082, 739884), (38776, 554913), (43623, 493256), (58164, 369942), (61657, 348984), (87246, 246628), (116328, 184971), (123314, 174492)]