21167350384

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 42157301760

約数和(自身を除く): 20989951376

約数列:

[1, 2, 4, 8, 16, 61, 122, 191, 244, 271, 382, 419, 488, 542, 764, 838, 976, 1084, 1528, 1676, 2168, 3056, 3352, 4336, 6704, 11651, 16531, 23302, 25559, 33062, 46604, 51118, 51761, 66124, 80029, 93208, 102236, 103522, 113549, 132248, 160058, 186416, 204472, 207044, 227098, 264496, 320116, 408944, 414088, 454196, 640232, 828176, 908392, 1280464, 1816784, 3157421, 4881769, 6314842, 6926489, 9763538, 12629684, 13852978, 19527076, 21687859, 25259368, 27705956, 39054152, 43375718, 50518736, 55411912, 78108304, 86751436, 110823824, 173502872, 347005744, 1322959399, 2645918798, 5291837596, 10583675192, 21167350384]

約数ペア:

[(1, 21167350384), (2, 10583675192), (4, 5291837596), (8, 2645918798), (16, 1322959399), (61, 347005744), (122, 173502872), (191, 110823824), (244, 86751436), (271, 78108304), (382, 55411912), (419, 50518736), (488, 43375718), (542, 39054152), (764, 27705956), (838, 25259368), (976, 21687859), (1084, 19527076), (1528, 13852978), (1676, 12629684), (2168, 9763538), (3056, 6926489), (3352, 6314842), (4336, 4881769), (6704, 3157421), (11651, 1816784), (16531, 1280464), (23302, 908392), (25559, 828176), (33062, 640232), (46604, 454196), (51118, 414088), (51761, 408944), (66124, 320116), (80029, 264496), (93208, 227098), (102236, 207044), (103522, 204472), (113549, 186416), (132248, 160058)]