21210498

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2333

約数の個数: 48

約数和(自身を含む): 50188320

約数和(自身を除く): 28977822

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2297, 3078, 4594, 4617, 6891, 9234, 13782, 20673, 41346, 43643, 62019, 87286, 124038, 130929, 186057, 261858, 372114, 392787, 558171, 785574, 1116342, 1178361, 2356722, 3535083, 7070166, 10605249, 21210498]

約数ペア:

[(1, 21210498), (2, 10605249), (3, 7070166), (6, 3535083), (9, 2356722), (18, 1178361), (19, 1116342), (27, 785574), (38, 558171), (54, 392787), (57, 372114), (81, 261858), (114, 186057), (162, 130929), (171, 124038), (243, 87286), (342, 62019), (486, 43643), (513, 41346), (1026, 20673), (1539, 13782), (2297, 9234), (3078, 6891), (4594, 4617)]