21303072

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10567}}^1$

素因数の和:10590

約数の個数: 72

約数和(自身を含む): 69241536

約数和(自身を除く): 47938464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10567, 21134, 31701, 42268, 63402, 73969, 84536, 95103, 126804, 147938, 169072, 190206, 221907, 253608, 295876, 338144, 380412, 443814, 507216, 591752, 665721, 760824, 887628, 1014432, 1183504, 1331442, 1521648, 1775256, 2367008, 2662884, 3043296, 3550512, 5325768, 7101024, 10651536, 21303072]

約数ペア:

[(1, 21303072), (2, 10651536), (3, 7101024), (4, 5325768), (6, 3550512), (7, 3043296), (8, 2662884), (9, 2367008), (12, 1775256), (14, 1521648), (16, 1331442), (18, 1183504), (21, 1014432), (24, 887628), (28, 760824), (32, 665721), (36, 591752), (42, 507216), (48, 443814), (56, 380412), (63, 338144), (72, 295876), (84, 253608), (96, 221907), (112, 190206), (126, 169072), (144, 147938), (168, 126804), (224, 95103), (252, 84536), (288, 73969), (336, 63402), (504, 42268), (672, 31701), (1008, 21134), (2016, 10567)]