21164577

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13671903

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1511, 2001, 4533, 4669, 10577, 14007, 31731, 34753, 43819, 104259, 131457, 243271, 306733, 729813, 920199, 1007837, 3023511, 7054859, 21164577]

約数ペア:

[(1, 21164577), (3, 7054859), (7, 3023511), (21, 1007837), (23, 920199), (29, 729813), (69, 306733), (87, 243271), (161, 131457), (203, 104259), (483, 43819), (609, 34753), (667, 31731), (1511, 14007), (2001, 10577), (4533, 4669)]