21457464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 61651200

約数和(自身を除く): 40193736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 337, 379, 674, 758, 1011, 1137, 1348, 1516, 2022, 2274, 2359, 2653, 2696, 3032, 4044, 4548, 4718, 5306, 7077, 7959, 8088, 9096, 9436, 10612, 14154, 15918, 18872, 21224, 28308, 31836, 56616, 63672, 127723, 255446, 383169, 510892, 766338, 894061, 1021784, 1532676, 1788122, 2682183, 3065352, 3576244, 5364366, 7152488, 10728732, 21457464]

約数ペア:

[(1, 21457464), (2, 10728732), (3, 7152488), (4, 5364366), (6, 3576244), (7, 3065352), (8, 2682183), (12, 1788122), (14, 1532676), (21, 1021784), (24, 894061), (28, 766338), (42, 510892), (56, 383169), (84, 255446), (168, 127723), (337, 63672), (379, 56616), (674, 31836), (758, 28308), (1011, 21224), (1137, 18872), (1348, 15918), (1516, 14154), (2022, 10612), (2274, 9436), (2359, 9096), (2653, 8088), (2696, 7959), (3032, 7077), (4044, 5306), (4548, 4718)]