21000228196

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{25471}}^1$

素因数の和:25676

約数の個数: 48

約数和(自身を含む): 38913064960

約数和(自身を除く): 17912836764

約数列:

[1, 2, 4, 31, 61, 62, 109, 122, 124, 218, 244, 436, 1891, 3379, 3782, 6649, 6758, 7564, 13298, 13516, 25471, 26596, 50942, 101884, 206119, 412238, 789601, 824476, 1553731, 1579202, 2776339, 3107462, 3158404, 5552678, 6214924, 11105356, 48165661, 86066509, 96331322, 169356679, 172133018, 192662644, 338713358, 344266036, 677426716, 5250057049, 10500114098, 21000228196]

約数ペア:

[(1, 21000228196), (2, 10500114098), (4, 5250057049), (31, 677426716), (61, 344266036), (62, 338713358), (109, 192662644), (122, 172133018), (124, 169356679), (218, 96331322), (244, 86066509), (436, 48165661), (1891, 11105356), (3379, 6214924), (3782, 5552678), (6649, 3158404), (6758, 3107462), (7564, 2776339), (13298, 1579202), (13516, 1553731), (25471, 824476), (26596, 789601), (50942, 412238), (101884, 206119)]