21219513840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1403407}}^1$

素因数の和:1403436

約数の個数: 160

約数和(自身を含む): 83530844160

約数和(自身を除く): 62311330320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1403407, 2806814, 4210221, 5613628, 7017035, 8420442, 9823849, 11227256, 12630663, 14034070, 16840884, 19647698, 21051105, 22454512, 25261326, 28068140, 29471547, 33681768, 37891989, 39295396, 42102210, 49119245, 50522652, 56136280, 58943094, 63153315, 67363536, 75783978, 78590792, 84204420, 88414641, 98238490, 101045304, 112272560, 117886188, 126306630, 147357735, 151567956, 157181584, 168408840, 176829282, 189459945, 196476980, 202090608, 235772376, 252613260, 265243923, 294715470, 303135912, 336817680, 353658564, 378919890, 392953960, 442073205, 471544752, 505226520, 530487846, 589430940, 606271824, 707317128, 757839780, 785907920, 884146410, 1010453040, 1060975692, 1178861880, 1326219615, 1414634256, 1515679560, 1768292820, 2121951384, 2357723760, 2652439230, 3031359120, 3536585640, 4243902768, 5304878460, 7073171280, 10609756920, 21219513840]

約数ペア:

[(1, 21219513840), (2, 10609756920), (3, 7073171280), (4, 5304878460), (5, 4243902768), (6, 3536585640), (7, 3031359120), (8, 2652439230), (9, 2357723760), (10, 2121951384), (12, 1768292820), (14, 1515679560), (15, 1414634256), (16, 1326219615), (18, 1178861880), (20, 1060975692), (21, 1010453040), (24, 884146410), (27, 785907920), (28, 757839780), (30, 707317128), (35, 606271824), (36, 589430940), (40, 530487846), (42, 505226520), (45, 471544752), (48, 442073205), (54, 392953960), (56, 378919890), (60, 353658564), (63, 336817680), (70, 303135912), (72, 294715470), (80, 265243923), (84, 252613260), (90, 235772376), (105, 202090608), (108, 196476980), (112, 189459945), (120, 176829282), (126, 168408840), (135, 157181584), (140, 151567956), (144, 147357735), (168, 126306630), (180, 117886188), (189, 112272560), (210, 101045304), (216, 98238490), (240, 88414641), (252, 84204420), (270, 78590792), (280, 75783978), (315, 67363536), (336, 63153315), (360, 58943094), (378, 56136280), (420, 50522652), (432, 49119245), (504, 42102210), (540, 39295396), (560, 37891989), (630, 33681768), (720, 29471547), (756, 28068140), (840, 25261326), (945, 22454512), (1008, 21051105), (1080, 19647698), (1260, 16840884), (1512, 14034070), (1680, 12630663), (1890, 11227256), (2160, 9823849), (2520, 8420442), (3024, 7017035), (3780, 5613628), (5040, 4210221), (7560, 2806814), (15120, 1403407)]