21897402568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{126481}}^1$

素因数の和:126590

約数の個数: 64

約数和(自身を含む): 46444190400

約数和(自身を除く): 24546787832

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 152, 268, 323, 536, 646, 1139, 1273, 1292, 2278, 2546, 2584, 4556, 5092, 9112, 10184, 21641, 43282, 86564, 126481, 173128, 252962, 505924, 1011848, 2150177, 2403139, 4300354, 4806278, 8474227, 8600708, 9612556, 16948454, 17201416, 19225112, 33896908, 40853363, 67793816, 81706726, 144061859, 161010313, 163413452, 288123718, 322020626, 326826904, 576247436, 644041252, 1152494872, 1288082504, 2737175321, 5474350642, 10948701284, 21897402568]

約数ペア:

[(1, 21897402568), (2, 10948701284), (4, 5474350642), (8, 2737175321), (17, 1288082504), (19, 1152494872), (34, 644041252), (38, 576247436), (67, 326826904), (68, 322020626), (76, 288123718), (134, 163413452), (136, 161010313), (152, 144061859), (268, 81706726), (323, 67793816), (536, 40853363), (646, 33896908), (1139, 19225112), (1273, 17201416), (1292, 16948454), (2278, 9612556), (2546, 8600708), (2584, 8474227), (4556, 4806278), (5092, 4300354), (9112, 2403139), (10184, 2150177), (21641, 1011848), (43282, 505924), (86564, 252962), (126481, 173128)]