21067724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19574836

約数列:

[1, 2, 4, 23, 31, 46, 62, 83, 89, 92, 124, 166, 178, 332, 356, 713, 1426, 1909, 2047, 2573, 2759, 2852, 3818, 4094, 5146, 5518, 7387, 7636, 8188, 10292, 11036, 14774, 29548, 59179, 63457, 118358, 126914, 169901, 228997, 236716, 253828, 339802, 457994, 679604, 915988, 5266931, 10533862, 21067724]

約数ペア:

[(1, 21067724), (2, 10533862), (4, 5266931), (23, 915988), (31, 679604), (46, 457994), (62, 339802), (83, 253828), (89, 236716), (92, 228997), (124, 169901), (166, 126914), (178, 118358), (332, 63457), (356, 59179), (713, 29548), (1426, 14774), (1909, 11036), (2047, 10292), (2573, 8188), (2759, 7636), (2852, 7387), (3818, 5518), (4094, 5146)]