21092796796

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 37617592320

約数和(自身を除く): 16524795524

約数列:

[1, 2, 4, 131, 151, 262, 269, 302, 524, 538, 604, 991, 1076, 1982, 3964, 19781, 35239, 39562, 40619, 70478, 79124, 81238, 129821, 140956, 149641, 162476, 259642, 266579, 299282, 519284, 533158, 598564, 1066316, 5321089, 10642178, 19602971, 21284356, 34921849, 39205942, 40253429, 69843698, 78411884, 80506858, 139687396, 161013716, 5273199199, 10546398398, 21092796796]

約数ペア:

[(1, 21092796796), (2, 10546398398), (4, 5273199199), (131, 161013716), (151, 139687396), (262, 80506858), (269, 78411884), (302, 69843698), (524, 40253429), (538, 39205942), (604, 34921849), (991, 21284356), (1076, 19602971), (1982, 10642178), (3964, 5321089), (19781, 1066316), (35239, 598564), (39562, 533158), (40619, 519284), (70478, 299282), (79124, 266579), (81238, 259642), (129821, 162476), (140956, 149641)]