20211242085125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{77252717}}^1$

素因数の和:77252775

約数の個数: 64

約数和(自身を含む): 32394227733504

約数和(自身を除く): 12182985648379

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 125, 161, 175, 299, 325, 455, 575, 805, 875, 1495, 1625, 2093, 2275, 2875, 4025, 7475, 10465, 11375, 20125, 37375, 52325, 261625, 77252717, 386263585, 540769019, 1004285321, 1776812491, 1931317925, 2703845095, 5021426605, 7029997247, 8884062455, 9656589625, 12437687437, 13519225475, 23098562383, 25107133025, 35149986235, 44420312275, 62188437185, 67596127375, 115492811915, 125535665125, 161689936681, 175749931175, 222101561375, 310942185925, 577464059575, 808449683405, 878749655875, 1554710929625, 2887320297875, 4042248417025, 20211242085125]

約数ペア:

[(1, 20211242085125), (5, 4042248417025), (7, 2887320297875), (13, 1554710929625), (23, 878749655875), (25, 808449683405), (35, 577464059575), (65, 310942185925), (91, 222101561375), (115, 175749931175), (125, 161689936681), (161, 125535665125), (175, 115492811915), (299, 67596127375), (325, 62188437185), (455, 44420312275), (575, 35149986235), (805, 25107133025), (875, 23098562383), (1495, 13519225475), (1625, 12437687437), (2093, 9656589625), (2275, 8884062455), (2875, 7029997247), (4025, 5021426605), (7475, 2703845095), (10465, 1931317925), (11375, 1776812491), (20125, 1004285321), (37375, 540769019), (52325, 386263585), (261625, 77252717)]