21000918130

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{346607}}^1$

素因数の和:346770

約数の個数: 32

約数和(自身を含む): 38781275904

約数和(自身を除く): 17780357774

約数列:

[1, 2, 5, 10, 73, 83, 146, 166, 365, 415, 730, 830, 6059, 12118, 30295, 60590, 346607, 693214, 1733035, 3466070, 25302311, 28768381, 50604622, 57536762, 126511555, 143841905, 253023110, 287683810, 2100091813, 4200183626, 10500459065, 21000918130]

約数ペア:

[(1, 21000918130), (2, 10500459065), (5, 4200183626), (10, 2100091813), (73, 287683810), (83, 253023110), (146, 143841905), (166, 126511555), (365, 57536762), (415, 50604622), (730, 28768381), (830, 25302311), (6059, 3466070), (12118, 1733035), (30295, 693214), (60590, 346607)]