21033684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 67092480

約数和(自身を除く): 46058796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 191, 207, 228, 252, 266, 276, 322, 342, 382, 399, 414, 437, 483, 532, 573, 644, 684, 764, 798, 828, 874, 966, 1146, 1197, 1311, 1337, 1449, 1596, 1719, 1748, 1932, 2292, 2394, 2622, 2674, 2898, 3059, 3438, 3629, 3933, 4011, 4393, 4788, 5244, 5348, 5796, 6118, 6876, 7258, 7866, 8022, 8786, 9177, 10887, 12033, 12236, 13179, 14516, 15732, 16044, 17572, 18354, 21774, 24066, 25403, 26358, 27531, 30751, 32661, 36708, 39537, 43548, 48132, 50806, 52716, 55062, 61502, 65322, 76209, 79074, 83467, 92253, 101612, 110124, 123004, 130644, 152418, 158148, 166934, 184506, 228627, 250401, 276759, 304836, 333868, 369012, 457254, 500802, 553518, 584269, 751203, 914508, 1001604, 1107036, 1168538, 1502406, 1752807, 2337076, 3004812, 3505614, 5258421, 7011228, 10516842, 21033684]

約数ペア:

[(1, 21033684), (2, 10516842), (3, 7011228), (4, 5258421), (6, 3505614), (7, 3004812), (9, 2337076), (12, 1752807), (14, 1502406), (18, 1168538), (19, 1107036), (21, 1001604), (23, 914508), (28, 751203), (36, 584269), (38, 553518), (42, 500802), (46, 457254), (57, 369012), (63, 333868), (69, 304836), (76, 276759), (84, 250401), (92, 228627), (114, 184506), (126, 166934), (133, 158148), (138, 152418), (161, 130644), (171, 123004), (191, 110124), (207, 101612), (228, 92253), (252, 83467), (266, 79074), (276, 76209), (322, 65322), (342, 61502), (382, 55062), (399, 52716), (414, 50806), (437, 48132), (483, 43548), (532, 39537), (573, 36708), (644, 32661), (684, 30751), (764, 27531), (798, 26358), (828, 25403), (874, 24066), (966, 21774), (1146, 18354), (1197, 17572), (1311, 16044), (1337, 15732), (1449, 14516), (1596, 13179), (1719, 12236), (1748, 12033), (1932, 10887), (2292, 9177), (2394, 8786), (2622, 8022), (2674, 7866), (2898, 7258), (3059, 6876), (3438, 6118), (3629, 5796), (3933, 5348), (4011, 5244), (4393, 4788)]