21036876

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39443124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 269, 294, 343, 399, 532, 538, 588, 686, 798, 807, 931, 1029, 1076, 1372, 1596, 1614, 1862, 1883, 2058, 2793, 3228, 3724, 3766, 4116, 5111, 5586, 5649, 6517, 7532, 10222, 11172, 11298, 13034, 13181, 15333, 19551, 20444, 22596, 26068, 26362, 30666, 35777, 39102, 39543, 52724, 61332, 71554, 78204, 79086, 92267, 107331, 143108, 158172, 184534, 214662, 250439, 276801, 369068, 429324, 500878, 553602, 751317, 1001756, 1107204, 1502634, 1753073, 3005268, 3506146, 5259219, 7012292, 10518438, 21036876]

約数ペア:

[(1, 21036876), (2, 10518438), (3, 7012292), (4, 5259219), (6, 3506146), (7, 3005268), (12, 1753073), (14, 1502634), (19, 1107204), (21, 1001756), (28, 751317), (38, 553602), (42, 500878), (49, 429324), (57, 369068), (76, 276801), (84, 250439), (98, 214662), (114, 184534), (133, 158172), (147, 143108), (196, 107331), (228, 92267), (266, 79086), (269, 78204), (294, 71554), (343, 61332), (399, 52724), (532, 39543), (538, 39102), (588, 35777), (686, 30666), (798, 26362), (807, 26068), (931, 22596), (1029, 20444), (1076, 19551), (1372, 15333), (1596, 13181), (1614, 13034), (1862, 11298), (1883, 11172), (2058, 10222), (2793, 7532), (3228, 6517), (3724, 5649), (3766, 5586), (4116, 5111)]