21001341888

素因数分解:

$2^6\times 3^2\times {\mathrm{67}}^1\times {\mathrm{557}}^1\times {\mathrm{977}}^1$

素因数の和:1619

約数の個数: 168

約数和(自身を含む): 61267342032

約数和(自身を除く): 40266000144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 134, 144, 192, 201, 268, 288, 402, 536, 557, 576, 603, 804, 977, 1072, 1114, 1206, 1608, 1671, 1954, 2144, 2228, 2412, 2931, 3216, 3342, 3908, 4288, 4456, 4824, 5013, 5862, 6432, 6684, 7816, 8793, 8912, 9648, 10026, 11724, 12864, 13368, 15632, 17586, 17824, 19296, 20052, 23448, 26736, 31264, 35172, 35648, 37319, 38592, 40104, 46896, 53472, 62528, 65459, 70344, 74638, 80208, 93792, 106944, 111957, 130918, 140688, 149276, 160416, 187584, 196377, 223914, 261836, 281376, 298552, 320832, 335871, 392754, 447828, 523672, 544189, 562752, 589131, 597104, 671742, 785508, 895656, 1047344, 1088378, 1178262, 1194208, 1343484, 1571016, 1632567, 1791312, 2094688, 2176756, 2356524, 2388416, 2686968, 3142032, 3265134, 3582624, 4189376, 4353512, 4713048, 4897701, 5373936, 6284064, 6530268, 7165248, 8707024, 9426096, 9795402, 10747872, 12568128, 13060536, 17414048, 18852192, 19590804, 21495744, 26121072, 34828096, 36460663, 37704384, 39181608, 52242144, 72921326, 78363216, 104484288, 109381989, 145842652, 156726432, 218763978, 291685304, 313452864, 328145967, 437527956, 583370608, 656291934, 875055912, 1166741216, 1312583868, 1750111824, 2333482432, 2625167736, 3500223648, 5250335472, 7000447296, 10500670944, 21001341888]

約数ペア:

[(1, 21001341888), (2, 10500670944), (3, 7000447296), (4, 5250335472), (6, 3500223648), (8, 2625167736), (9, 2333482432), (12, 1750111824), (16, 1312583868), (18, 1166741216), (24, 875055912), (32, 656291934), (36, 583370608), (48, 437527956), (64, 328145967), (67, 313452864), (72, 291685304), (96, 218763978), (134, 156726432), (144, 145842652), (192, 109381989), (201, 104484288), (268, 78363216), (288, 72921326), (402, 52242144), (536, 39181608), (557, 37704384), (576, 36460663), (603, 34828096), (804, 26121072), (977, 21495744), (1072, 19590804), (1114, 18852192), (1206, 17414048), (1608, 13060536), (1671, 12568128), (1954, 10747872), (2144, 9795402), (2228, 9426096), (2412, 8707024), (2931, 7165248), (3216, 6530268), (3342, 6284064), (3908, 5373936), (4288, 4897701), (4456, 4713048), (4824, 4353512), (5013, 4189376), (5862, 3582624), (6432, 3265134), (6684, 3142032), (7816, 2686968), (8793, 2388416), (8912, 2356524), (9648, 2176756), (10026, 2094688), (11724, 1791312), (12864, 1632567), (13368, 1571016), (15632, 1343484), (17586, 1194208), (17824, 1178262), (19296, 1088378), (20052, 1047344), (23448, 895656), (26736, 785508), (31264, 671742), (35172, 597104), (35648, 589131), (37319, 562752), (38592, 544189), (40104, 523672), (46896, 447828), (53472, 392754), (62528, 335871), (65459, 320832), (70344, 298552), (74638, 281376), (80208, 261836), (93792, 223914), (106944, 196377), (111957, 187584), (130918, 160416), (140688, 149276)]