21851676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7883}}^1$

素因数の和:7911

約数の個数: 72

約数和(自身を含む): 68874624

約数和(自身を除く): 47022948

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7883, 15766, 23649, 31532, 47298, 55181, 70947, 86713, 94596, 110362, 141894, 165543, 173426, 220724, 260139, 283788, 331086, 346852, 496629, 520278, 606991, 662172, 780417, 993258, 1040556, 1213982, 1560834, 1820973, 1986516, 2427964, 3121668, 3641946, 5462919, 7283892, 10925838, 21851676]

約数ペア:

[(1, 21851676), (2, 10925838), (3, 7283892), (4, 5462919), (6, 3641946), (7, 3121668), (9, 2427964), (11, 1986516), (12, 1820973), (14, 1560834), (18, 1213982), (21, 1040556), (22, 993258), (28, 780417), (33, 662172), (36, 606991), (42, 520278), (44, 496629), (63, 346852), (66, 331086), (77, 283788), (84, 260139), (99, 220724), (126, 173426), (132, 165543), (154, 141894), (198, 110362), (231, 94596), (252, 86713), (308, 70947), (396, 55181), (462, 47298), (693, 31532), (924, 23649), (1386, 15766), (2772, 7883)]