21044016

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6959}}^1$

素因数の和:6983

約数の個数: 80

約数和(自身を含む): 69043200

約数和(自身を除く): 47999184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6959, 13918, 20877, 27836, 41754, 48713, 55672, 62631, 83508, 97426, 111344, 125262, 146139, 167016, 187893, 194852, 250524, 292278, 334032, 375786, 389704, 438417, 501048, 584556, 751572, 779408, 876834, 1002096, 1169112, 1315251, 1503144, 1753668, 2338224, 2630502, 3006288, 3507336, 5261004, 7014672, 10522008, 21044016]

約数ペア:

[(1, 21044016), (2, 10522008), (3, 7014672), (4, 5261004), (6, 3507336), (7, 3006288), (8, 2630502), (9, 2338224), (12, 1753668), (14, 1503144), (16, 1315251), (18, 1169112), (21, 1002096), (24, 876834), (27, 779408), (28, 751572), (36, 584556), (42, 501048), (48, 438417), (54, 389704), (56, 375786), (63, 334032), (72, 292278), (84, 250524), (108, 194852), (112, 187893), (126, 167016), (144, 146139), (168, 125262), (189, 111344), (216, 97426), (252, 83508), (336, 62631), (378, 55672), (432, 48713), (504, 41754), (756, 27836), (1008, 20877), (1512, 13918), (3024, 6959)]