21708608040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2871509}}^1$

素因数の和:2871536

約数の個数: 128

約数和(自身を含む): 82699488000

約数和(自身を除く): 60990879960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2871509, 5743018, 8614527, 11486036, 14357545, 17229054, 20100563, 22972072, 25843581, 28715090, 34458108, 40201126, 43072635, 51687162, 57430180, 60301689, 68916216, 77530743, 80402252, 86145270, 100502815, 103374324, 114860360, 120603378, 129217905, 155061486, 160804504, 172290540, 180905067, 201005630, 206748648, 241206756, 258435810, 301508445, 310122972, 344581080, 361810134, 387653715, 402011260, 482413512, 516871620, 542715201, 603016890, 620245944, 723620268, 775307430, 804022520, 904525335, 1033743240, 1085430402, 1206033780, 1447240536, 1550614860, 1809050670, 2170860804, 2412067560, 2713576005, 3101229720, 3618101340, 4341721608, 5427152010, 7236202680, 10854304020, 21708608040]

約数ペア:

[(1, 21708608040), (2, 10854304020), (3, 7236202680), (4, 5427152010), (5, 4341721608), (6, 3618101340), (7, 3101229720), (8, 2713576005), (9, 2412067560), (10, 2170860804), (12, 1809050670), (14, 1550614860), (15, 1447240536), (18, 1206033780), (20, 1085430402), (21, 1033743240), (24, 904525335), (27, 804022520), (28, 775307430), (30, 723620268), (35, 620245944), (36, 603016890), (40, 542715201), (42, 516871620), (45, 482413512), (54, 402011260), (56, 387653715), (60, 361810134), (63, 344581080), (70, 310122972), (72, 301508445), (84, 258435810), (90, 241206756), (105, 206748648), (108, 201005630), (120, 180905067), (126, 172290540), (135, 160804504), (140, 155061486), (168, 129217905), (180, 120603378), (189, 114860360), (210, 103374324), (216, 100502815), (252, 86145270), (270, 80402252), (280, 77530743), (315, 68916216), (360, 60301689), (378, 57430180), (420, 51687162), (504, 43072635), (540, 40201126), (630, 34458108), (756, 28715090), (840, 25843581), (945, 22972072), (1080, 20100563), (1260, 17229054), (1512, 14357545), (1890, 11486036), (2520, 8614527), (3780, 5743018), (7560, 2871509)]