21305736

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 58032000

約数和(自身を除く): 36726264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1487, 1592, 1791, 2388, 2974, 3582, 4461, 4776, 5948, 7164, 8922, 11896, 13383, 14328, 17844, 26766, 35688, 53532, 107064, 295913, 591826, 887739, 1183652, 1775478, 2367304, 2663217, 3550956, 5326434, 7101912, 10652868, 21305736]

約数ペア:

[(1, 21305736), (2, 10652868), (3, 7101912), (4, 5326434), (6, 3550956), (8, 2663217), (9, 2367304), (12, 1775478), (18, 1183652), (24, 887739), (36, 591826), (72, 295913), (199, 107064), (398, 53532), (597, 35688), (796, 26766), (1194, 17844), (1487, 14328), (1592, 13383), (1791, 11896), (2388, 8922), (2974, 7164), (3582, 5948), (4461, 4776)]