21371036

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 38147760

約数和(自身を除く): 16776724

約数列:

[1, 2, 4, 89, 173, 178, 346, 347, 356, 692, 694, 1388, 15397, 30794, 30883, 60031, 61588, 61766, 120062, 123532, 240124, 5342759, 10685518, 21371036]

約数ペア:

[(1, 21371036), (2, 10685518), (4, 5342759), (89, 240124), (173, 123532), (178, 120062), (346, 61766), (347, 61588), (356, 60031), (692, 30883), (694, 30794), (1388, 15397)]