21523088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1571

約数の個数: 40

約数和(自身を含む): 45017208

約数和(自身を除く): 23494120

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1493, 1802, 2986, 3604, 5972, 7208, 11944, 14416, 23888, 25381, 50762, 79129, 101524, 158258, 203048, 316516, 406096, 633032, 1266064, 1345193, 2690386, 5380772, 10761544, 21523088]

約数ペア:

[(1, 21523088), (2, 10761544), (4, 5380772), (8, 2690386), (16, 1345193), (17, 1266064), (34, 633032), (53, 406096), (68, 316516), (106, 203048), (136, 158258), (212, 101524), (272, 79129), (424, 50762), (848, 25381), (901, 23888), (1493, 14416), (1802, 11944), (2986, 7208), (3604, 5972)]