21199750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 46702656

約数和(自身を除く): 25502906

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 593, 650, 715, 1186, 1375, 1430, 1625, 2750, 2965, 3250, 3575, 5930, 6523, 7150, 7709, 13046, 14825, 15418, 17875, 29650, 32615, 35750, 38545, 65230, 74125, 77090, 84799, 148250, 163075, 169598, 192725, 326150, 385450, 423995, 815375, 847990, 963625, 1630750, 1927250, 2119975, 4239950, 10599875, 21199750]

約数ペア:

[(1, 21199750), (2, 10599875), (5, 4239950), (10, 2119975), (11, 1927250), (13, 1630750), (22, 963625), (25, 847990), (26, 815375), (50, 423995), (55, 385450), (65, 326150), (110, 192725), (125, 169598), (130, 163075), (143, 148250), (250, 84799), (275, 77090), (286, 74125), (325, 65230), (550, 38545), (593, 35750), (650, 32615), (715, 29650), (1186, 17875), (1375, 15418), (1430, 14825), (1625, 13046), (2750, 7709), (2965, 7150), (3250, 6523), (3575, 5930)]