21286398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16349}}^1$

素因数の和:16392

約数の個数: 32

約数和(自身を含む): 50227200

約数和(自身を除く): 28940802

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16349, 32698, 49047, 98094, 114443, 228886, 343329, 506819, 686658, 1013638, 1520457, 3040914, 3547733, 7095466, 10643199, 21286398]

約数ペア:

[(1, 21286398), (2, 10643199), (3, 7095466), (6, 3547733), (7, 3040914), (14, 1520457), (21, 1013638), (31, 686658), (42, 506819), (62, 343329), (93, 228886), (186, 114443), (217, 98094), (434, 49047), (651, 32698), (1302, 16349)]