21097500900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{141499}}^1$

素因数の和:141594

約数の個数: 144

約数和(自身を含む): 70745472000

約数和(自身を除く): 49647971100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 140, 142, 150, 175, 210, 213, 284, 300, 350, 355, 420, 426, 497, 525, 700, 710, 852, 994, 1050, 1065, 1420, 1491, 1775, 1988, 2100, 2130, 2485, 2982, 3550, 4260, 4970, 5325, 5964, 7100, 7455, 9940, 10650, 12425, 14910, 21300, 24850, 29820, 37275, 49700, 74550, 141499, 149100, 282998, 424497, 565996, 707495, 848994, 990493, 1414990, 1697988, 1980986, 2122485, 2829980, 2971479, 3537475, 3961972, 4244970, 4952465, 5942958, 7074950, 8489940, 9904930, 10046429, 10612425, 11885916, 14149900, 14857395, 19809860, 20092858, 21224850, 24762325, 29714790, 30139287, 40185716, 42449700, 49524650, 50232145, 59429580, 60278574, 70325003, 74286975, 99049300, 100464290, 120557148, 140650006, 148573950, 150696435, 200928580, 210975009, 251160725, 281300012, 297147900, 301392870, 351625015, 421950018, 502321450, 602785740, 703250030, 753482175, 843900036, 1004642900, 1054875045, 1406500060, 1506964350, 1758125075, 2109750090, 3013928700, 3516250150, 4219500180, 5274375225, 7032500300, 10548750450, 21097500900]

約数ペア:

[(1, 21097500900), (2, 10548750450), (3, 7032500300), (4, 5274375225), (5, 4219500180), (6, 3516250150), (7, 3013928700), (10, 2109750090), (12, 1758125075), (14, 1506964350), (15, 1406500060), (20, 1054875045), (21, 1004642900), (25, 843900036), (28, 753482175), (30, 703250030), (35, 602785740), (42, 502321450), (50, 421950018), (60, 351625015), (70, 301392870), (71, 297147900), (75, 281300012), (84, 251160725), (100, 210975009), (105, 200928580), (140, 150696435), (142, 148573950), (150, 140650006), (175, 120557148), (210, 100464290), (213, 99049300), (284, 74286975), (300, 70325003), (350, 60278574), (355, 59429580), (420, 50232145), (426, 49524650), (497, 42449700), (525, 40185716), (700, 30139287), (710, 29714790), (852, 24762325), (994, 21224850), (1050, 20092858), (1065, 19809860), (1420, 14857395), (1491, 14149900), (1775, 11885916), (1988, 10612425), (2100, 10046429), (2130, 9904930), (2485, 8489940), (2982, 7074950), (3550, 5942958), (4260, 4952465), (4970, 4244970), (5325, 3961972), (5964, 3537475), (7100, 2971479), (7455, 2829980), (9940, 2122485), (10650, 1980986), (12425, 1697988), (14910, 1414990), (21300, 990493), (24850, 848994), (29820, 707495), (37275, 565996), (49700, 424497), (74550, 282998), (141499, 149100)]