21807808

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{30977}}^1$

素因数の和:31000

約数の個数: 28

約数和(自身を含む): 47210472

約数和(自身を除く): 25402664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 30977, 61954, 123908, 247816, 340747, 495632, 681494, 991264, 1362988, 1982528, 2725976, 5451952, 10903904, 21807808]

約数ペア:

[(1, 21807808), (2, 10903904), (4, 5451952), (8, 2725976), (11, 1982528), (16, 1362988), (22, 991264), (32, 681494), (44, 495632), (64, 340747), (88, 247816), (176, 123908), (352, 61954), (704, 30977)]