21254436

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12049}}^1$

素因数の和:12073

約数の個数: 54

約数和(自身を含む): 62503350

約数和(自身を除く): 41248914

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12049, 24098, 36147, 48196, 72294, 84343, 108441, 144588, 168686, 216882, 253029, 337372, 433764, 506058, 590401, 759087, 1012116, 1180802, 1518174, 1771203, 2361604, 3036348, 3542406, 5313609, 7084812, 10627218, 21254436]

約数ペア:

[(1, 21254436), (2, 10627218), (3, 7084812), (4, 5313609), (6, 3542406), (7, 3036348), (9, 2361604), (12, 1771203), (14, 1518174), (18, 1180802), (21, 1012116), (28, 759087), (36, 590401), (42, 506058), (49, 433764), (63, 337372), (84, 253029), (98, 216882), (126, 168686), (147, 144588), (196, 108441), (252, 84343), (294, 72294), (441, 48196), (588, 36147), (882, 24098), (1764, 12049)]