21180852

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 69468672

約数和(自身を除く): 48287820

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 283, 297, 308, 324, 378, 396, 462, 486, 566, 567, 594, 693, 756, 849, 891, 924, 972, 1132, 1134, 1188, 1386, 1698, 1701, 1782, 1981, 2079, 2268, 2547, 2673, 2772, 3113, 3396, 3402, 3564, 3962, 4158, 5094, 5346, 5943, 6226, 6237, 6804, 7641, 7924, 8316, 9339, 10188, 10692, 11886, 12452, 12474, 15282, 17829, 18678, 18711, 21791, 22923, 23772, 24948, 28017, 30564, 35658, 37356, 37422, 43582, 45846, 53487, 56034, 65373, 68769, 71316, 74844, 84051, 87164, 91692, 106974, 112068, 130746, 137538, 160461, 168102, 196119, 213948, 252153, 261492, 275076, 320922, 336204, 392238, 481383, 504306, 588357, 641844, 756459, 784476, 962766, 1008612, 1176714, 1512918, 1765071, 1925532, 2353428, 3025836, 3530142, 5295213, 7060284, 10590426, 21180852]

約数ペア:

[(1, 21180852), (2, 10590426), (3, 7060284), (4, 5295213), (6, 3530142), (7, 3025836), (9, 2353428), (11, 1925532), (12, 1765071), (14, 1512918), (18, 1176714), (21, 1008612), (22, 962766), (27, 784476), (28, 756459), (33, 641844), (36, 588357), (42, 504306), (44, 481383), (54, 392238), (63, 336204), (66, 320922), (77, 275076), (81, 261492), (84, 252153), (99, 213948), (108, 196119), (126, 168102), (132, 160461), (154, 137538), (162, 130746), (189, 112068), (198, 106974), (231, 91692), (243, 87164), (252, 84051), (283, 74844), (297, 71316), (308, 68769), (324, 65373), (378, 56034), (396, 53487), (462, 45846), (486, 43582), (566, 37422), (567, 37356), (594, 35658), (693, 30564), (756, 28017), (849, 24948), (891, 23772), (924, 22923), (972, 21791), (1132, 18711), (1134, 18678), (1188, 17829), (1386, 15282), (1698, 12474), (1701, 12452), (1782, 11886), (1981, 10692), (2079, 10188), (2268, 9339), (2547, 8316), (2673, 7924), (2772, 7641), (3113, 6804), (3396, 6237), (3402, 6226), (3564, 5943), (3962, 5346), (4158, 5094)]