21348778860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{8447}}^1$

素因数の和:9220

約数の個数: 144

約数和(自身を含む): 68266598400

約数和(自身を除く): 46917819540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 739, 855, 1140, 1478, 1710, 2217, 2956, 3420, 3695, 4434, 6651, 7390, 8447, 8868, 11085, 13302, 14041, 14780, 16894, 22170, 25341, 26604, 28082, 33255, 33788, 42123, 42235, 44340, 50682, 56164, 66510, 70205, 76023, 84246, 84470, 101364, 126369, 126705, 133020, 140410, 152046, 160493, 168492, 168940, 210615, 252738, 253410, 280820, 304092, 320986, 380115, 421230, 481479, 505476, 506820, 631845, 641972, 760230, 802465, 842460, 962958, 1263690, 1444437, 1520460, 1604930, 1925916, 2407395, 2527380, 2888874, 3209860, 4814790, 5777748, 6242333, 7222185, 9629580, 12484666, 14444370, 18726999, 24969332, 28888740, 31211665, 37453998, 56180997, 62423330, 74907996, 93634995, 112361994, 118604327, 124846660, 187269990, 224723988, 237208654, 280904985, 355812981, 374539980, 474417308, 561809970, 593021635, 711625962, 1067438943, 1123619940, 1186043270, 1423251924, 1779064905, 2134877886, 2372086540, 3558129810, 4269755772, 5337194715, 7116259620, 10674389430, 21348778860]

約数ペア:

[(1, 21348778860), (2, 10674389430), (3, 7116259620), (4, 5337194715), (5, 4269755772), (6, 3558129810), (9, 2372086540), (10, 2134877886), (12, 1779064905), (15, 1423251924), (18, 1186043270), (19, 1123619940), (20, 1067438943), (30, 711625962), (36, 593021635), (38, 561809970), (45, 474417308), (57, 374539980), (60, 355812981), (76, 280904985), (90, 237208654), (95, 224723988), (114, 187269990), (171, 124846660), (180, 118604327), (190, 112361994), (228, 93634995), (285, 74907996), (342, 62423330), (380, 56180997), (570, 37453998), (684, 31211665), (739, 28888740), (855, 24969332), (1140, 18726999), (1478, 14444370), (1710, 12484666), (2217, 9629580), (2956, 7222185), (3420, 6242333), (3695, 5777748), (4434, 4814790), (6651, 3209860), (7390, 2888874), (8447, 2527380), (8868, 2407395), (11085, 1925916), (13302, 1604930), (14041, 1520460), (14780, 1444437), (16894, 1263690), (22170, 962958), (25341, 842460), (26604, 802465), (28082, 760230), (33255, 641972), (33788, 631845), (42123, 506820), (42235, 505476), (44340, 481479), (50682, 421230), (56164, 380115), (66510, 320986), (70205, 304092), (76023, 280820), (84246, 253410), (84470, 252738), (101364, 210615), (126369, 168940), (126705, 168492), (133020, 160493), (140410, 152046)]