21025368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3241

約数の個数: 96

約数和(自身を含む): 70106400

約数和(自身を除く): 49081032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3209, 3276, 6418, 6552, 9627, 12836, 19254, 22463, 25672, 28881, 38508, 41717, 44926, 57762, 67389, 77016, 83434, 89852, 115524, 125151, 134778, 166868, 179704, 202167, 231048, 250302, 269556, 292019, 333736, 375453, 404334, 500604, 539112, 584038, 750906, 808668, 876057, 1001208, 1168076, 1501812, 1617336, 1752114, 2336152, 2628171, 3003624, 3504228, 5256342, 7008456, 10512684, 21025368]

約数ペア:

[(1, 21025368), (2, 10512684), (3, 7008456), (4, 5256342), (6, 3504228), (7, 3003624), (8, 2628171), (9, 2336152), (12, 1752114), (13, 1617336), (14, 1501812), (18, 1168076), (21, 1001208), (24, 876057), (26, 808668), (28, 750906), (36, 584038), (39, 539112), (42, 500604), (52, 404334), (56, 375453), (63, 333736), (72, 292019), (78, 269556), (84, 250302), (91, 231048), (104, 202167), (117, 179704), (126, 166868), (156, 134778), (168, 125151), (182, 115524), (234, 89852), (252, 83434), (273, 77016), (312, 67389), (364, 57762), (468, 44926), (504, 41717), (546, 38508), (728, 28881), (819, 25672), (936, 22463), (1092, 19254), (1638, 12836), (2184, 9627), (3209, 6552), (3276, 6418)]