21235628

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37867200

約数和(自身を除く): 16631572

約数列:

[1, 2, 4, 97, 194, 229, 239, 388, 458, 478, 916, 956, 22213, 23183, 44426, 46366, 54731, 88852, 92732, 109462, 218924, 5308907, 10617814, 21235628]

約数ペア:

[(1, 21235628), (2, 10617814), (4, 5308907), (97, 218924), (194, 109462), (229, 92732), (239, 88852), (388, 54731), (458, 46366), (478, 44426), (916, 23183), (956, 22213)]