21774928

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 29650352

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 79, 92, 107, 112, 158, 161, 184, 214, 316, 322, 368, 428, 553, 632, 644, 749, 856, 1106, 1264, 1288, 1498, 1712, 1817, 2212, 2461, 2576, 2996, 3634, 4424, 4922, 5992, 7268, 8453, 8848, 9844, 11984, 12719, 14536, 16906, 17227, 19688, 25438, 29072, 33812, 34454, 39376, 50876, 59171, 67624, 68908, 101752, 118342, 135248, 137816, 194419, 203504, 236684, 275632, 388838, 473368, 777676, 946736, 1360933, 1555352, 2721866, 3110704, 5443732, 10887464, 21774928]

約数ペア:

[(1, 21774928), (2, 10887464), (4, 5443732), (7, 3110704), (8, 2721866), (14, 1555352), (16, 1360933), (23, 946736), (28, 777676), (46, 473368), (56, 388838), (79, 275632), (92, 236684), (107, 203504), (112, 194419), (158, 137816), (161, 135248), (184, 118342), (214, 101752), (316, 68908), (322, 67624), (368, 59171), (428, 50876), (553, 39376), (632, 34454), (644, 33812), (749, 29072), (856, 25438), (1106, 19688), (1264, 17227), (1288, 16906), (1498, 14536), (1712, 12719), (1817, 11984), (2212, 9844), (2461, 8848), (2576, 8453), (2996, 7268), (3634, 5992), (4424, 4922)]