21683928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 62300160

約数和(自身を除く): 40616232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 337, 383, 674, 766, 1011, 1149, 1348, 1532, 2022, 2298, 2359, 2681, 2696, 3064, 4044, 4596, 4718, 5362, 7077, 8043, 8088, 9192, 9436, 10724, 14154, 16086, 18872, 21448, 28308, 32172, 56616, 64344, 129071, 258142, 387213, 516284, 774426, 903497, 1032568, 1548852, 1806994, 2710491, 3097704, 3613988, 5420982, 7227976, 10841964, 21683928]

約数ペア:

[(1, 21683928), (2, 10841964), (3, 7227976), (4, 5420982), (6, 3613988), (7, 3097704), (8, 2710491), (12, 1806994), (14, 1548852), (21, 1032568), (24, 903497), (28, 774426), (42, 516284), (56, 387213), (84, 258142), (168, 129071), (337, 64344), (383, 56616), (674, 32172), (766, 28308), (1011, 21448), (1149, 18872), (1348, 16086), (1532, 14154), (2022, 10724), (2298, 9436), (2359, 9192), (2681, 8088), (2696, 8043), (3064, 7077), (4044, 5362), (4596, 4718)]