16221856

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 36832320

約数和(自身を除く): 20610464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 521, 556, 973, 1042, 1112, 1946, 2084, 2224, 3647, 3892, 4168, 4448, 7294, 7784, 8336, 14588, 15568, 16672, 29176, 31136, 58352, 72419, 116704, 144838, 289676, 506933, 579352, 1013866, 1158704, 2027732, 2317408, 4055464, 8110928, 16221856]

約数ペア:

[(1, 16221856), (2, 8110928), (4, 4055464), (7, 2317408), (8, 2027732), (14, 1158704), (16, 1013866), (28, 579352), (32, 506933), (56, 289676), (112, 144838), (139, 116704), (224, 72419), (278, 58352), (521, 31136), (556, 29176), (973, 16672), (1042, 15568), (1112, 14588), (1946, 8336), (2084, 7784), (2224, 7294), (3647, 4448), (3892, 4168)]