21170124

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^2\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 54

約数和(自身を含む): 54738684

約数和(自身を除く): 33568560

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 131, 134, 201, 262, 268, 393, 402, 524, 603, 786, 804, 1179, 1206, 1572, 2358, 2412, 4489, 4716, 8777, 8978, 13467, 17554, 17956, 26331, 26934, 35108, 40401, 52662, 53868, 78993, 80802, 105324, 157986, 161604, 315972, 588059, 1176118, 1764177, 2352236, 3528354, 5292531, 7056708, 10585062, 21170124]

約数ペア:

[(1, 21170124), (2, 10585062), (3, 7056708), (4, 5292531), (6, 3528354), (9, 2352236), (12, 1764177), (18, 1176118), (36, 588059), (67, 315972), (131, 161604), (134, 157986), (201, 105324), (262, 80802), (268, 78993), (393, 53868), (402, 52662), (524, 40401), (603, 35108), (786, 26934), (804, 26331), (1179, 17956), (1206, 17554), (1572, 13467), (2358, 8978), (2412, 8777), (4489, 4716)]