21136989952

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{104119}}^1$

素因数の和:104209

約数の個数: 72

約数和(自身を含む): 46182217760

約数和(自身を除く): 25045227808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 793, 832, 976, 1586, 1664, 1952, 3172, 3328, 3904, 6344, 7808, 12688, 15616, 25376, 50752, 101504, 104119, 203008, 208238, 416476, 832952, 1353547, 1665904, 2707094, 3331808, 5414188, 6351259, 6663616, 10828376, 12702518, 13327232, 21656752, 25405036, 26654464, 43313504, 50810072, 82566367, 86627008, 101620144, 165132734, 173254016, 203240288, 330265468, 346508032, 406480576, 660530936, 812961152, 1321061872, 1625922304, 2642123744, 5284247488, 10568494976, 21136989952]

約数ペア:

[(1, 21136989952), (2, 10568494976), (4, 5284247488), (8, 2642123744), (13, 1625922304), (16, 1321061872), (26, 812961152), (32, 660530936), (52, 406480576), (61, 346508032), (64, 330265468), (104, 203240288), (122, 173254016), (128, 165132734), (208, 101620144), (244, 86627008), (256, 82566367), (416, 50810072), (488, 43313504), (793, 26654464), (832, 25405036), (976, 21656752), (1586, 13327232), (1664, 12702518), (1952, 10828376), (3172, 6663616), (3328, 6351259), (3904, 5414188), (6344, 3331808), (7808, 2707094), (12688, 1665904), (15616, 1353547), (25376, 832952), (50752, 416476), (101504, 208238), (104119, 203008)]