21383056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2327

約数の個数: 40

約数和(自身を含む): 45036800

約数和(自身を除く): 23653744

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2269, 2356, 4538, 4712, 9076, 9424, 18152, 36304, 43111, 70339, 86222, 140678, 172444, 281356, 344888, 562712, 689776, 1125424, 1336441, 2672882, 5345764, 10691528, 21383056]

約数ペア:

[(1, 21383056), (2, 10691528), (4, 5345764), (8, 2672882), (16, 1336441), (19, 1125424), (31, 689776), (38, 562712), (62, 344888), (76, 281356), (124, 172444), (152, 140678), (248, 86222), (304, 70339), (496, 43111), (589, 36304), (1178, 18152), (2269, 9424), (2356, 9076), (4538, 4712)]