20211312238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{407207}}^1$

素因数の和:407328

約数の個数: 32

約数和(自身を含む): 34479115776

約数和(自身を除く): 14267803538

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 299, 598, 1079, 1909, 2158, 3818, 24817, 49634, 407207, 814414, 5293691, 9365761, 10587382, 18731522, 33798181, 67596362, 121754893, 243509786, 439376353, 777358163, 878752706, 1554716326, 10105656119, 20211312238]

約数ペア:

[(1, 20211312238), (2, 10105656119), (13, 1554716326), (23, 878752706), (26, 777358163), (46, 439376353), (83, 243509786), (166, 121754893), (299, 67596362), (598, 33798181), (1079, 18731522), (1909, 10587382), (2158, 9365761), (3818, 5293691), (24817, 814414), (49634, 407207)]