21552874

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 17347862

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 937, 1643, 1874, 3286, 6559, 11501, 13118, 23002, 29047, 49661, 58094, 99322, 203329, 347627, 406658, 695254, 1539491, 3078982, 10776437, 21552874]

約数ペア:

[(1, 21552874), (2, 10776437), (7, 3078982), (14, 1539491), (31, 695254), (53, 406658), (62, 347627), (106, 203329), (217, 99322), (371, 58094), (434, 49661), (742, 29047), (937, 23002), (1643, 13118), (1874, 11501), (3286, 6559)]