21747488

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5711}}^1$

素因数の和:5745

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 30071776

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5711, 11422, 22844, 39977, 45688, 79954, 91376, 97087, 159908, 182752, 194174, 319816, 388348, 639632, 679609, 776696, 1279264, 1359218, 1553392, 2718436, 3106784, 5436872, 10873744, 21747488]

約数ペア:

[(1, 21747488), (2, 10873744), (4, 5436872), (7, 3106784), (8, 2718436), (14, 1553392), (16, 1359218), (17, 1279264), (28, 776696), (32, 679609), (34, 639632), (56, 388348), (68, 319816), (112, 194174), (119, 182752), (136, 159908), (224, 97087), (238, 91376), (272, 79954), (476, 45688), (544, 39977), (952, 22844), (1904, 11422), (3808, 5711)]