21551104

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 45700200

約数和(自身を除く): 24149096

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 619, 1024, 1088, 1238, 2048, 2176, 2476, 4352, 4952, 8704, 9904, 10523, 17408, 19808, 21046, 34816, 39616, 42092, 79232, 84184, 158464, 168368, 316928, 336736, 633856, 673472, 1267712, 1346944, 2693888, 5387776, 10775552, 21551104]

約数ペア:

[(1, 21551104), (2, 10775552), (4, 5387776), (8, 2693888), (16, 1346944), (17, 1267712), (32, 673472), (34, 633856), (64, 336736), (68, 316928), (128, 168368), (136, 158464), (256, 84184), (272, 79232), (512, 42092), (544, 39616), (619, 34816), (1024, 21046), (1088, 19808), (1238, 17408), (2048, 10523), (2176, 9904), (2476, 8704), (4352, 4952)]