21393300720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8103523}}^1$

素因数の和:8103550

約数の個数: 80

約数和(自身を含む): 72348262272

約数和(自身を除く): 50954961552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8103523, 16207046, 24310569, 32414092, 40517615, 48621138, 64828184, 81035230, 89138753, 97242276, 121552845, 129656368, 162070460, 178277506, 194484552, 243105690, 267416259, 324140920, 356555012, 388969104, 445693765, 486211380, 534832518, 648281840, 713110024, 891387530, 972422760, 1069665036, 1337081295, 1426220048, 1782775060, 1944845520, 2139330072, 2674162590, 3565550120, 4278660144, 5348325180, 7131100240, 10696650360, 21393300720]

約数ペア:

[(1, 21393300720), (2, 10696650360), (3, 7131100240), (4, 5348325180), (5, 4278660144), (6, 3565550120), (8, 2674162590), (10, 2139330072), (11, 1944845520), (12, 1782775060), (15, 1426220048), (16, 1337081295), (20, 1069665036), (22, 972422760), (24, 891387530), (30, 713110024), (33, 648281840), (40, 534832518), (44, 486211380), (48, 445693765), (55, 388969104), (60, 356555012), (66, 324140920), (80, 267416259), (88, 243105690), (110, 194484552), (120, 178277506), (132, 162070460), (165, 129656368), (176, 121552845), (220, 97242276), (240, 89138753), (264, 81035230), (330, 64828184), (440, 48621138), (528, 40517615), (660, 32414092), (880, 24310569), (1320, 16207046), (2640, 8103523)]