21396032

素因数分解:

$2^6\times 7^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 56

約数和(自身を含む): 48987456

約数和(自身を除く): 27591424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 163, 224, 293, 326, 448, 586, 652, 1141, 1172, 1304, 2051, 2282, 2344, 2608, 4102, 4564, 4688, 5216, 8204, 9128, 9376, 10432, 16408, 18256, 18752, 32816, 36512, 47759, 65632, 73024, 95518, 131264, 191036, 334313, 382072, 668626, 764144, 1337252, 1528288, 2674504, 3056576, 5349008, 10698016, 21396032]

約数ペア:

[(1, 21396032), (2, 10698016), (4, 5349008), (7, 3056576), (8, 2674504), (14, 1528288), (16, 1337252), (28, 764144), (32, 668626), (56, 382072), (64, 334313), (112, 191036), (163, 131264), (224, 95518), (293, 73024), (326, 65632), (448, 47759), (586, 36512), (652, 32816), (1141, 18752), (1172, 18256), (1304, 16408), (2051, 10432), (2282, 9376), (2344, 9128), (2608, 8204), (4102, 5216), (4564, 4688)]