21183690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2835

約数の個数: 64

約数和(自身を含む): 57894912

約数和(自身を除く): 36711222

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2791, 3795, 5582, 7590, 8373, 13955, 16746, 27910, 30701, 41865, 61402, 64193, 83730, 92103, 128386, 153505, 184206, 192579, 307010, 320965, 385158, 460515, 641930, 706123, 921030, 962895, 1412246, 1925790, 2118369, 3530615, 4236738, 7061230, 10591845, 21183690]

約数ペア:

[(1, 21183690), (2, 10591845), (3, 7061230), (5, 4236738), (6, 3530615), (10, 2118369), (11, 1925790), (15, 1412246), (22, 962895), (23, 921030), (30, 706123), (33, 641930), (46, 460515), (55, 385158), (66, 320965), (69, 307010), (110, 192579), (115, 184206), (138, 153505), (165, 128386), (230, 92103), (253, 83730), (330, 64193), (345, 61402), (506, 41865), (690, 30701), (759, 27910), (1265, 16746), (1518, 13955), (2530, 8373), (2791, 7590), (3795, 5582)]