21000455486

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{138637}}^1$

素因数の和:138788

約数の個数: 32

約数和(自身を含む): 34138221120

約数和(自身を除く): 13137765634

約数列:

[1, 2, 23, 37, 46, 74, 89, 178, 851, 1702, 2047, 3293, 4094, 6586, 75739, 138637, 151478, 277274, 3188651, 5129569, 6377302, 10259138, 12338693, 24677386, 117980087, 235960174, 283789939, 456531641, 567579878, 913063282, 10500227743, 21000455486]

約数ペア:

[(1, 21000455486), (2, 10500227743), (23, 913063282), (37, 567579878), (46, 456531641), (74, 283789939), (89, 235960174), (178, 117980087), (851, 24677386), (1702, 12338693), (2047, 10259138), (3293, 6377302), (4094, 5129569), (6586, 3188651), (75739, 277274), (138637, 151478)]