21021742

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 16072658

約数列:

[1, 2, 7, 14, 79, 83, 158, 166, 229, 458, 553, 581, 1106, 1162, 1603, 3206, 6557, 13114, 18091, 19007, 36182, 38014, 45899, 91798, 126637, 133049, 253274, 266098, 1501553, 3003106, 10510871, 21021742]

約数ペア:

[(1, 21021742), (2, 10510871), (7, 3003106), (14, 1501553), (79, 266098), (83, 253274), (158, 133049), (166, 126637), (229, 91798), (458, 45899), (553, 38014), (581, 36182), (1106, 19007), (1162, 18091), (1603, 13114), (3206, 6557)]