21712368

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 59567616

約数和(自身を除く): 37855248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 277, 284, 368, 426, 552, 554, 568, 831, 852, 1104, 1108, 1136, 1633, 1662, 1704, 2216, 3266, 3324, 3408, 4432, 4899, 6371, 6532, 6648, 9798, 12742, 13064, 13296, 19113, 19596, 19667, 25484, 26128, 38226, 39192, 39334, 50968, 59001, 76452, 78384, 78668, 101936, 118002, 152904, 157336, 236004, 305808, 314672, 452341, 472008, 904682, 944016, 1357023, 1809364, 2714046, 3618728, 5428092, 7237456, 10856184, 21712368]

約数ペア:

[(1, 21712368), (2, 10856184), (3, 7237456), (4, 5428092), (6, 3618728), (8, 2714046), (12, 1809364), (16, 1357023), (23, 944016), (24, 904682), (46, 472008), (48, 452341), (69, 314672), (71, 305808), (92, 236004), (138, 157336), (142, 152904), (184, 118002), (213, 101936), (276, 78668), (277, 78384), (284, 76452), (368, 59001), (426, 50968), (552, 39334), (554, 39192), (568, 38226), (831, 26128), (852, 25484), (1104, 19667), (1108, 19596), (1136, 19113), (1633, 13296), (1662, 13064), (1704, 12742), (2216, 9798), (3266, 6648), (3324, 6532), (3408, 6371), (4432, 4899)]