21330944

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:620

約数の個数: 44

約数和(自身を含む): 43871304

約数和(自身を除く): 22540360

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 563, 592, 1024, 1126, 1184, 2252, 2368, 4504, 4736, 9008, 9472, 18016, 18944, 20831, 36032, 37888, 41662, 72064, 83324, 144128, 166648, 288256, 333296, 576512, 666592, 1333184, 2666368, 5332736, 10665472, 21330944]

約数ペア:

[(1, 21330944), (2, 10665472), (4, 5332736), (8, 2666368), (16, 1333184), (32, 666592), (37, 576512), (64, 333296), (74, 288256), (128, 166648), (148, 144128), (256, 83324), (296, 72064), (512, 41662), (563, 37888), (592, 36032), (1024, 20831), (1126, 18944), (1184, 18016), (2252, 9472), (2368, 9008), (4504, 4736)]