21825612

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 39646260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 41, 53, 54, 62, 81, 82, 93, 106, 108, 123, 124, 159, 162, 164, 186, 212, 246, 279, 318, 324, 369, 372, 477, 492, 558, 636, 738, 837, 954, 1107, 1116, 1271, 1431, 1476, 1643, 1674, 1908, 2173, 2214, 2511, 2542, 2862, 3286, 3321, 3348, 3813, 4293, 4346, 4428, 4929, 5022, 5084, 5724, 6519, 6572, 6642, 7626, 8586, 8692, 9858, 10044, 11439, 13038, 13284, 14787, 15252, 17172, 19557, 19716, 22878, 26076, 29574, 34317, 39114, 44361, 45756, 58671, 59148, 67363, 68634, 78228, 88722, 102951, 117342, 133083, 134726, 137268, 176013, 177444, 202089, 205902, 234684, 266166, 269452, 352026, 404178, 411804, 532332, 606267, 704052, 808356, 1212534, 1818801, 2425068, 3637602, 5456403, 7275204, 10912806, 21825612]

約数ペア:

[(1, 21825612), (2, 10912806), (3, 7275204), (4, 5456403), (6, 3637602), (9, 2425068), (12, 1818801), (18, 1212534), (27, 808356), (31, 704052), (36, 606267), (41, 532332), (53, 411804), (54, 404178), (62, 352026), (81, 269452), (82, 266166), (93, 234684), (106, 205902), (108, 202089), (123, 177444), (124, 176013), (159, 137268), (162, 134726), (164, 133083), (186, 117342), (212, 102951), (246, 88722), (279, 78228), (318, 68634), (324, 67363), (369, 59148), (372, 58671), (477, 45756), (492, 44361), (558, 39114), (636, 34317), (738, 29574), (837, 26076), (954, 22878), (1107, 19716), (1116, 19557), (1271, 17172), (1431, 15252), (1476, 14787), (1643, 13284), (1674, 13038), (1908, 11439), (2173, 10044), (2214, 9858), (2511, 8692), (2542, 8586), (2862, 7626), (3286, 6642), (3321, 6572), (3348, 6519), (3813, 5724), (4293, 5084), (4346, 5022), (4428, 4929)]