21429184

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1593

約数の個数: 56

約数和(自身を含む): 50198528

約数和(自身を除く): 28769344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1543, 1736, 1984, 3086, 3472, 6172, 6944, 10801, 12344, 13888, 21602, 24688, 43204, 47833, 49376, 86408, 95666, 98752, 172816, 191332, 334831, 345632, 382664, 669662, 691264, 765328, 1339324, 1530656, 2678648, 3061312, 5357296, 10714592, 21429184]

約数ペア:

[(1, 21429184), (2, 10714592), (4, 5357296), (7, 3061312), (8, 2678648), (14, 1530656), (16, 1339324), (28, 765328), (31, 691264), (32, 669662), (56, 382664), (62, 345632), (64, 334831), (112, 191332), (124, 172816), (217, 98752), (224, 95666), (248, 86408), (434, 49376), (448, 47833), (496, 43204), (868, 24688), (992, 21602), (1543, 13888), (1736, 12344), (1984, 10801), (3086, 6944), (3472, 6172)]