21230424

素因数分解:

$2^3\times 3^5\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 60889920

約数和(自身を除く): 39659496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 163, 201, 216, 243, 268, 324, 326, 402, 486, 489, 536, 603, 648, 652, 804, 972, 978, 1206, 1304, 1467, 1608, 1809, 1944, 1956, 2412, 2934, 3618, 3912, 4401, 4824, 5427, 5868, 7236, 8802, 10854, 10921, 11736, 13203, 14472, 16281, 17604, 21708, 21842, 26406, 32562, 32763, 35208, 39609, 43416, 43684, 52812, 65124, 65526, 79218, 87368, 98289, 105624, 130248, 131052, 158436, 196578, 262104, 294867, 316872, 393156, 589734, 786312, 884601, 1179468, 1769202, 2358936, 2653803, 3538404, 5307606, 7076808, 10615212, 21230424]

約数ペア:

[(1, 21230424), (2, 10615212), (3, 7076808), (4, 5307606), (6, 3538404), (8, 2653803), (9, 2358936), (12, 1769202), (18, 1179468), (24, 884601), (27, 786312), (36, 589734), (54, 393156), (67, 316872), (72, 294867), (81, 262104), (108, 196578), (134, 158436), (162, 131052), (163, 130248), (201, 105624), (216, 98289), (243, 87368), (268, 79218), (324, 65526), (326, 65124), (402, 52812), (486, 43684), (489, 43416), (536, 39609), (603, 35208), (648, 32763), (652, 32562), (804, 26406), (972, 21842), (978, 21708), (1206, 17604), (1304, 16281), (1467, 14472), (1608, 13203), (1809, 11736), (1944, 10921), (1956, 10854), (2412, 8802), (2934, 7236), (3618, 5868), (3912, 5427), (4401, 4824)]