21906615864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{15073}}^1$

素因数の和:15341

約数の個数: 128

約数和(自身を含む): 64425070080

約数和(自身を除く): 42518454216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 211, 246, 287, 328, 422, 492, 574, 633, 844, 861, 984, 1148, 1266, 1477, 1688, 1722, 2296, 2532, 2954, 3444, 4431, 5064, 5908, 6888, 8651, 8862, 11816, 15073, 17302, 17724, 25953, 30146, 34604, 35448, 45219, 51906, 60292, 60557, 69208, 90438, 103812, 105511, 120584, 121114, 180876, 181671, 207624, 211022, 242228, 316533, 361752, 363342, 422044, 484456, 617993, 633066, 726684, 844088, 1235986, 1266132, 1453368, 1853979, 2471972, 2532264, 3180403, 3707958, 4325951, 4943944, 6360806, 7415916, 8651902, 9541209, 12721612, 12977853, 14831832, 17303804, 19082418, 22262821, 25443224, 25955706, 34607608, 38164836, 44525642, 51911412, 66788463, 76329672, 89051284, 103822824, 130396523, 133576926, 178102568, 260793046, 267153852, 391189569, 521586092, 534307704, 782379138, 912775661, 1043172184, 1564758276, 1825551322, 2738326983, 3129516552, 3651102644, 5476653966, 7302205288, 10953307932, 21906615864]

約数ペア:

[(1, 21906615864), (2, 10953307932), (3, 7302205288), (4, 5476653966), (6, 3651102644), (7, 3129516552), (8, 2738326983), (12, 1825551322), (14, 1564758276), (21, 1043172184), (24, 912775661), (28, 782379138), (41, 534307704), (42, 521586092), (56, 391189569), (82, 267153852), (84, 260793046), (123, 178102568), (164, 133576926), (168, 130396523), (211, 103822824), (246, 89051284), (287, 76329672), (328, 66788463), (422, 51911412), (492, 44525642), (574, 38164836), (633, 34607608), (844, 25955706), (861, 25443224), (984, 22262821), (1148, 19082418), (1266, 17303804), (1477, 14831832), (1688, 12977853), (1722, 12721612), (2296, 9541209), (2532, 8651902), (2954, 7415916), (3444, 6360806), (4431, 4943944), (5064, 4325951), (5908, 3707958), (6888, 3180403), (8651, 2532264), (8862, 2471972), (11816, 1853979), (15073, 1453368), (17302, 1266132), (17724, 1235986), (25953, 844088), (30146, 726684), (34604, 633066), (35448, 617993), (45219, 484456), (51906, 422044), (60292, 363342), (60557, 361752), (69208, 316533), (90438, 242228), (103812, 211022), (105511, 207624), (120584, 181671), (121114, 180876)]