21420429480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{47111}}^1$

素因数の和:47552

約数の個数: 128

約数和(自身を含む): 71572550400

約数和(自身を除く): 50152120920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 540, 842, 1080, 1263, 1684, 2105, 2526, 3368, 3789, 4210, 5052, 6315, 7578, 8420, 10104, 11367, 12630, 15156, 16840, 18945, 22734, 25260, 30312, 37890, 45468, 47111, 50520, 56835, 75780, 90936, 94222, 113670, 141333, 151560, 188444, 227340, 235555, 282666, 376888, 423999, 454680, 471110, 565332, 706665, 847998, 942220, 1130664, 1271997, 1413330, 1695996, 1884440, 2119995, 2543994, 2826660, 3391992, 4239990, 5087988, 5653320, 6359985, 8479980, 10175976, 12719970, 16959960, 19833731, 25439940, 39667462, 50879880, 59501193, 79334924, 99168655, 119002386, 158669848, 178503579, 198337310, 238004772, 297505965, 357007158, 396674620, 476009544, 535510737, 595011930, 714014316, 793349240, 892517895, 1071021474, 1190023860, 1428028632, 1785035790, 2142042948, 2380047720, 2677553685, 3570071580, 4284085896, 5355107370, 7140143160, 10710214740, 21420429480]

約数ペア:

[(1, 21420429480), (2, 10710214740), (3, 7140143160), (4, 5355107370), (5, 4284085896), (6, 3570071580), (8, 2677553685), (9, 2380047720), (10, 2142042948), (12, 1785035790), (15, 1428028632), (18, 1190023860), (20, 1071021474), (24, 892517895), (27, 793349240), (30, 714014316), (36, 595011930), (40, 535510737), (45, 476009544), (54, 396674620), (60, 357007158), (72, 297505965), (90, 238004772), (108, 198337310), (120, 178503579), (135, 158669848), (180, 119002386), (216, 99168655), (270, 79334924), (360, 59501193), (421, 50879880), (540, 39667462), (842, 25439940), (1080, 19833731), (1263, 16959960), (1684, 12719970), (2105, 10175976), (2526, 8479980), (3368, 6359985), (3789, 5653320), (4210, 5087988), (5052, 4239990), (6315, 3391992), (7578, 2826660), (8420, 2543994), (10104, 2119995), (11367, 1884440), (12630, 1695996), (15156, 1413330), (16840, 1271997), (18945, 1130664), (22734, 942220), (25260, 847998), (30312, 706665), (37890, 565332), (45468, 471110), (47111, 454680), (50520, 423999), (56835, 376888), (75780, 282666), (90936, 235555), (94222, 227340), (113670, 188444), (141333, 151560)]