21999054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2841

約数の個数: 64

約数和(自身を含む): 58102272

約数和(自身を除く): 36103218

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2801, 3927, 5602, 7854, 8403, 16806, 19607, 30811, 39214, 47617, 58821, 61622, 92433, 95234, 117642, 142851, 184866, 215677, 285702, 333319, 431354, 523787, 647031, 666638, 999957, 1047574, 1294062, 1571361, 1999914, 3142722, 3666509, 7333018, 10999527, 21999054]

約数ペア:

[(1, 21999054), (2, 10999527), (3, 7333018), (6, 3666509), (7, 3142722), (11, 1999914), (14, 1571361), (17, 1294062), (21, 1047574), (22, 999957), (33, 666638), (34, 647031), (42, 523787), (51, 431354), (66, 333319), (77, 285702), (102, 215677), (119, 184866), (154, 142851), (187, 117642), (231, 95234), (238, 92433), (357, 61622), (374, 58821), (462, 47617), (561, 39214), (714, 30811), (1122, 19607), (1309, 16806), (2618, 8403), (2801, 7854), (3927, 5602)]