21779791808

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1053589}}^1$

素因数の和:1053637

約数の個数: 56

約数和(自身を含む): 48170134800

約数和(自身を除く): 26390342992

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 5168, 10336, 20672, 1053589, 2107178, 4214356, 8428712, 16857424, 17911013, 20018191, 33714848, 35822026, 40036382, 67429696, 71644052, 80072764, 143288104, 160145528, 286576208, 320291056, 340309247, 573152416, 640582112, 680618494, 1146304832, 1281164224, 1361236988, 2722473976, 5444947952, 10889895904, 21779791808]

約数ペア:

[(1, 21779791808), (2, 10889895904), (4, 5444947952), (8, 2722473976), (16, 1361236988), (17, 1281164224), (19, 1146304832), (32, 680618494), (34, 640582112), (38, 573152416), (64, 340309247), (68, 320291056), (76, 286576208), (136, 160145528), (152, 143288104), (272, 80072764), (304, 71644052), (323, 67429696), (544, 40036382), (608, 35822026), (646, 33714848), (1088, 20018191), (1216, 17911013), (1292, 16857424), (2584, 8428712), (5168, 4214356), (10336, 2107178), (20672, 1053589)]