21230147264

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19513003}}^1$

素因数の和:19513032

約数の個数: 28

約数和(自身を含む): 44606727144

約数和(自身を除く): 23376579880

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19513003, 39026006, 78052012, 156104024, 312208048, 331721051, 624416096, 663442102, 1248832192, 1326884204, 2653768408, 5307536816, 10615073632, 21230147264]

約数ペア:

[(1, 21230147264), (2, 10615073632), (4, 5307536816), (8, 2653768408), (16, 1326884204), (17, 1248832192), (32, 663442102), (34, 624416096), (64, 331721051), (68, 312208048), (136, 156104024), (272, 78052012), (544, 39026006), (1088, 19513003)]