21205998182

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 33945004800

約数和(自身を除く): 12739006618

約数列:

[1, 2, 37, 59, 74, 83, 118, 139, 166, 278, 421, 842, 2183, 3071, 4366, 4897, 5143, 6142, 8201, 9794, 10286, 11537, 15577, 16402, 23074, 24839, 31154, 34943, 49678, 58519, 69886, 117038, 181189, 303437, 362378, 426869, 606874, 680683, 853738, 919043, 1292891, 1361366, 1838086, 2061637, 2165203, 2585782, 3452621, 4123274, 4330406, 4857077, 6905242, 9714154, 25185271, 50370542, 76280569, 127746977, 152561138, 179711849, 255493954, 286567543, 359423698, 573135086, 10602999091, 21205998182]

約数ペア:

[(1, 21205998182), (2, 10602999091), (37, 573135086), (59, 359423698), (74, 286567543), (83, 255493954), (118, 179711849), (139, 152561138), (166, 127746977), (278, 76280569), (421, 50370542), (842, 25185271), (2183, 9714154), (3071, 6905242), (4366, 4857077), (4897, 4330406), (5143, 4123274), (6142, 3452621), (8201, 2585782), (9794, 2165203), (10286, 2061637), (11537, 1838086), (15577, 1361366), (16402, 1292891), (23074, 919043), (24839, 853738), (31154, 680683), (34943, 606874), (49678, 426869), (58519, 362378), (69886, 303437), (117038, 181189)]