21903588

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4139}}^1$

素因数の和:4166

約数の個数: 72

約数和(自身を含む): 66074400

約数和(自身を除く): 44170812

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, 4139, 5292, 8278, 12417, 16556, 24834, 28973, 37251, 49668, 57946, 74502, 86919, 111753, 115892, 149004, 173838, 202811, 223506, 260757, 347676, 405622, 447012, 521514, 608433, 782271, 811244, 1043028, 1216866, 1564542, 1825299, 2433732, 3129084, 3650598, 5475897, 7301196, 10951794, 21903588]

約数ペア:

[(1, 21903588), (2, 10951794), (3, 7301196), (4, 5475897), (6, 3650598), (7, 3129084), (9, 2433732), (12, 1825299), (14, 1564542), (18, 1216866), (21, 1043028), (27, 811244), (28, 782271), (36, 608433), (42, 521514), (49, 447012), (54, 405622), (63, 347676), (84, 260757), (98, 223506), (108, 202811), (126, 173838), (147, 149004), (189, 115892), (196, 111753), (252, 86919), (294, 74502), (378, 57946), (441, 49668), (588, 37251), (756, 28973), (882, 24834), (1323, 16556), (1764, 12417), (2646, 8278), (4139, 5292)]