21821712

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 63216192

約数和(自身を除く): 41394480

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1117, 1221, 1628, 1776, 2234, 2442, 3256, 3351, 4468, 4884, 6512, 6702, 8936, 9768, 12287, 13404, 17872, 19536, 24574, 26808, 36861, 41329, 49148, 53616, 73722, 82658, 98296, 123987, 147444, 165316, 196592, 247974, 294888, 330632, 454619, 495948, 589776, 661264, 909238, 991896, 1363857, 1818476, 1983792, 2727714, 3636952, 5455428, 7273904, 10910856, 21821712]

約数ペア:

[(1, 21821712), (2, 10910856), (3, 7273904), (4, 5455428), (6, 3636952), (8, 2727714), (11, 1983792), (12, 1818476), (16, 1363857), (22, 991896), (24, 909238), (33, 661264), (37, 589776), (44, 495948), (48, 454619), (66, 330632), (74, 294888), (88, 247974), (111, 196592), (132, 165316), (148, 147444), (176, 123987), (222, 98296), (264, 82658), (296, 73722), (407, 53616), (444, 49148), (528, 41329), (592, 36861), (814, 26808), (888, 24574), (1117, 19536), (1221, 17872), (1628, 13404), (1776, 12287), (2234, 9768), (2442, 8936), (3256, 6702), (3351, 6512), (4468, 4884)]