21056028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39155172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 79, 84, 114, 133, 158, 167, 228, 237, 266, 316, 334, 399, 474, 501, 532, 553, 668, 798, 948, 1002, 1106, 1169, 1501, 1596, 1659, 2004, 2212, 2338, 3002, 3173, 3318, 3507, 4503, 4676, 6004, 6346, 6636, 7014, 9006, 9519, 10507, 12692, 13193, 14028, 18012, 19038, 21014, 22211, 26386, 31521, 38076, 39579, 42028, 44422, 52772, 63042, 66633, 79158, 88844, 92351, 126084, 133266, 158316, 184702, 250667, 266532, 277053, 369404, 501334, 554106, 752001, 1002668, 1108212, 1504002, 1754669, 3008004, 3509338, 5264007, 7018676, 10528014, 21056028]

約数ペア:

[(1, 21056028), (2, 10528014), (3, 7018676), (4, 5264007), (6, 3509338), (7, 3008004), (12, 1754669), (14, 1504002), (19, 1108212), (21, 1002668), (28, 752001), (38, 554106), (42, 501334), (57, 369404), (76, 277053), (79, 266532), (84, 250667), (114, 184702), (133, 158316), (158, 133266), (167, 126084), (228, 92351), (237, 88844), (266, 79158), (316, 66633), (334, 63042), (399, 52772), (474, 44422), (501, 42028), (532, 39579), (553, 38076), (668, 31521), (798, 26386), (948, 22211), (1002, 21014), (1106, 19038), (1169, 18012), (1501, 14028), (1596, 13193), (1659, 12692), (2004, 10507), (2212, 9519), (2338, 9006), (3002, 7014), (3173, 6636), (3318, 6346), (3507, 6004), (4503, 4676)]