21178224

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2486

約数の個数: 60

約数和(自身を含む): 60266232

約数和(自身を除く): 39088008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2411, 2928, 4392, 4822, 7233, 8784, 9644, 14466, 19288, 21699, 28932, 38576, 43398, 57864, 86796, 115728, 147071, 173592, 294142, 347184, 441213, 588284, 882426, 1176568, 1323639, 1764852, 2353136, 2647278, 3529704, 5294556, 7059408, 10589112, 21178224]

約数ペア:

[(1, 21178224), (2, 10589112), (3, 7059408), (4, 5294556), (6, 3529704), (8, 2647278), (9, 2353136), (12, 1764852), (16, 1323639), (18, 1176568), (24, 882426), (36, 588284), (48, 441213), (61, 347184), (72, 294142), (122, 173592), (144, 147071), (183, 115728), (244, 86796), (366, 57864), (488, 43398), (549, 38576), (732, 28932), (976, 21699), (1098, 19288), (1464, 14466), (2196, 9644), (2411, 8784), (2928, 7233), (4392, 4822)]