21640194

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 27735678

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 167, 207, 313, 334, 414, 501, 626, 939, 1002, 1503, 1878, 2817, 3006, 3841, 5634, 7199, 7682, 11523, 14398, 21597, 23046, 34569, 43194, 52271, 64791, 69138, 104542, 129582, 156813, 313626, 470439, 940878, 1202233, 2404466, 3606699, 7213398, 10820097, 21640194]

約数ペア:

[(1, 21640194), (2, 10820097), (3, 7213398), (6, 3606699), (9, 2404466), (18, 1202233), (23, 940878), (46, 470439), (69, 313626), (138, 156813), (167, 129582), (207, 104542), (313, 69138), (334, 64791), (414, 52271), (501, 43194), (626, 34569), (939, 23046), (1002, 21597), (1503, 14398), (1878, 11523), (2817, 7682), (3006, 7199), (3841, 5634)]