16921072

素因数分解:

$2^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 38676096

約数和(自身を除く): 21755024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 191, 196, 226, 382, 392, 452, 764, 784, 791, 904, 1337, 1528, 1582, 1808, 2674, 3056, 3164, 5348, 5537, 6328, 9359, 10696, 11074, 12656, 18718, 21392, 21583, 22148, 37436, 43166, 44296, 74872, 86332, 88592, 149744, 151081, 172664, 302162, 345328, 604324, 1057567, 1208648, 2115134, 2417296, 4230268, 8460536, 16921072]

約数ペア:

[(1, 16921072), (2, 8460536), (4, 4230268), (7, 2417296), (8, 2115134), (14, 1208648), (16, 1057567), (28, 604324), (49, 345328), (56, 302162), (98, 172664), (112, 151081), (113, 149744), (191, 88592), (196, 86332), (226, 74872), (382, 44296), (392, 43166), (452, 37436), (764, 22148), (784, 21583), (791, 21392), (904, 18718), (1337, 12656), (1528, 11074), (1582, 10696), (1808, 9359), (2674, 6328), (3056, 5537), (3164, 5348)]