21729168

素因数分解:

$2^4\times 3^3\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 62942400

約数和(自身を除く): 41213232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 179, 216, 281, 358, 432, 537, 562, 716, 843, 1074, 1124, 1432, 1611, 1686, 2148, 2248, 2529, 2864, 3222, 3372, 4296, 4496, 4833, 5058, 6444, 6744, 7587, 8592, 9666, 10116, 12888, 13488, 15174, 19332, 20232, 25776, 30348, 38664, 40464, 50299, 60696, 77328, 100598, 121392, 150897, 201196, 301794, 402392, 452691, 603588, 804784, 905382, 1207176, 1358073, 1810764, 2414352, 2716146, 3621528, 5432292, 7243056, 10864584, 21729168]

約数ペア:

[(1, 21729168), (2, 10864584), (3, 7243056), (4, 5432292), (6, 3621528), (8, 2716146), (9, 2414352), (12, 1810764), (16, 1358073), (18, 1207176), (24, 905382), (27, 804784), (36, 603588), (48, 452691), (54, 402392), (72, 301794), (108, 201196), (144, 150897), (179, 121392), (216, 100598), (281, 77328), (358, 60696), (432, 50299), (537, 40464), (562, 38664), (716, 30348), (843, 25776), (1074, 20232), (1124, 19332), (1432, 15174), (1611, 13488), (1686, 12888), (2148, 10116), (2248, 9666), (2529, 8592), (2864, 7587), (3222, 6744), (3372, 6444), (4296, 5058), (4496, 4833)]