21071128944

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{22003}}^1$

素因数の和:22366

約数の個数: 80

約数和(自身を含む): 55399382784

約数和(自身を除く): 34328253840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 281, 284, 426, 562, 568, 843, 852, 1124, 1136, 1686, 1704, 2248, 3372, 3408, 4496, 6744, 13488, 19951, 22003, 39902, 44006, 59853, 66009, 79804, 88012, 119706, 132018, 159608, 176024, 239412, 264036, 319216, 352048, 478824, 528072, 957648, 1056144, 1562213, 3124426, 4686639, 6182843, 6248852, 9373278, 12365686, 12497704, 18548529, 18746556, 24731372, 24995408, 37097058, 37493112, 49462744, 74194116, 74986224, 98925488, 148388232, 296776464, 438981853, 877963706, 1316945559, 1755927412, 2633891118, 3511854824, 5267782236, 7023709648, 10535564472, 21071128944]

約数ペア:

[(1, 21071128944), (2, 10535564472), (3, 7023709648), (4, 5267782236), (6, 3511854824), (8, 2633891118), (12, 1755927412), (16, 1316945559), (24, 877963706), (48, 438981853), (71, 296776464), (142, 148388232), (213, 98925488), (281, 74986224), (284, 74194116), (426, 49462744), (562, 37493112), (568, 37097058), (843, 24995408), (852, 24731372), (1124, 18746556), (1136, 18548529), (1686, 12497704), (1704, 12365686), (2248, 9373278), (3372, 6248852), (3408, 6182843), (4496, 4686639), (6744, 3124426), (13488, 1562213), (19951, 1056144), (22003, 957648), (39902, 528072), (44006, 478824), (59853, 352048), (66009, 319216), (79804, 264036), (88012, 239412), (119706, 176024), (132018, 159608)]