21998844

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4157}}^1$

素因数の和:4184

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 44362836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 4157, 5292, 8314, 12471, 16628, 24942, 29099, 37413, 49884, 58198, 74826, 87297, 112239, 116396, 149652, 174594, 203693, 224478, 261891, 349188, 407386, 448956, 523782, 611079, 785673, 814772, 1047564, 1222158, 1571346, 1833237, 2444316, 3142692, 3666474, 5499711, 7332948, 10999422, 21998844]

約数ペア:

[(1, 21998844), (2, 10999422), (3, 7332948), (4, 5499711), (6, 3666474), (7, 3142692), (9, 2444316), (12, 1833237), (14, 1571346), (18, 1222158), (21, 1047564), (27, 814772), (28, 785673), (36, 611079), (42, 523782), (49, 448956), (54, 407386), (63, 349188), (84, 261891), (98, 224478), (108, 203693), (126, 174594), (147, 149652), (189, 116396), (196, 112239), (252, 87297), (294, 74826), (378, 58198), (441, 49884), (588, 37413), (756, 29099), (882, 24942), (1323, 16628), (1764, 12471), (2646, 8314), (4157, 5292)]