21139998740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2\times {\mathrm{953}}^1$

素因数の和:1158

約数の個数: 144

約数和(自身を含む): 53643679488

約数和(自身を除く): 32503680748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 83, 92, 115, 140, 161, 166, 230, 322, 332, 415, 460, 581, 644, 805, 830, 953, 1162, 1610, 1660, 1906, 1909, 2324, 2905, 3220, 3812, 3818, 4765, 5810, 6671, 6889, 7636, 9530, 9545, 11620, 13342, 13363, 13778, 19060, 19090, 21919, 26684, 26726, 27556, 33355, 34445, 38180, 43838, 48223, 53452, 66710, 66815, 68890, 79099, 87676, 96446, 109595, 133420, 133630, 137780, 153433, 158198, 158447, 192892, 219190, 241115, 267260, 306866, 316396, 316894, 395495, 438380, 482230, 553693, 613732, 633788, 767165, 790990, 792235, 964460, 1107386, 1109129, 1534330, 1581980, 1584470, 1819277, 2214772, 2218258, 2768465, 3068660, 3168940, 3638554, 4436516, 5536930, 5545645, 6565217, 7277108, 9096385, 11073860, 11091290, 12734939, 13130434, 18192770, 22182580, 25469878, 26260868, 32826085, 36385540, 45956519, 50939756, 63674695, 65652170, 91913038, 127349390, 131304340, 150999991, 183826076, 229782595, 254698780, 301999982, 459565190, 603999964, 754999955, 919130380, 1056999937, 1509999910, 2113999874, 3019999820, 4227999748, 5284999685, 10569999370, 21139998740]

約数ペア:

[(1, 21139998740), (2, 10569999370), (4, 5284999685), (5, 4227999748), (7, 3019999820), (10, 2113999874), (14, 1509999910), (20, 1056999937), (23, 919130380), (28, 754999955), (35, 603999964), (46, 459565190), (70, 301999982), (83, 254698780), (92, 229782595), (115, 183826076), (140, 150999991), (161, 131304340), (166, 127349390), (230, 91913038), (322, 65652170), (332, 63674695), (415, 50939756), (460, 45956519), (581, 36385540), (644, 32826085), (805, 26260868), (830, 25469878), (953, 22182580), (1162, 18192770), (1610, 13130434), (1660, 12734939), (1906, 11091290), (1909, 11073860), (2324, 9096385), (2905, 7277108), (3220, 6565217), (3812, 5545645), (3818, 5536930), (4765, 4436516), (5810, 3638554), (6671, 3168940), (6889, 3068660), (7636, 2768465), (9530, 2218258), (9545, 2214772), (11620, 1819277), (13342, 1584470), (13363, 1581980), (13778, 1534330), (19060, 1109129), (19090, 1107386), (21919, 964460), (26684, 792235), (26726, 790990), (27556, 767165), (33355, 633788), (34445, 613732), (38180, 553693), (43838, 482230), (48223, 438380), (53452, 395495), (66710, 316894), (66815, 316396), (68890, 306866), (79099, 267260), (87676, 241115), (96446, 219190), (109595, 192892), (133420, 158447), (133630, 158198), (137780, 153433)]