21283641568

素因数分解:

$2^5\times 7^2\times {\mathrm{149}}^1\times {\mathrm{91099}}^1$

素因数の和:91272

約数の個数: 72

約数和(自身を含む): 49071015000

約数和(自身を除く): 27787373432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 149, 196, 224, 298, 392, 596, 784, 1043, 1192, 1568, 2086, 2384, 4172, 4768, 7301, 8344, 14602, 16688, 29204, 33376, 58408, 91099, 116816, 182198, 233632, 364396, 637693, 728792, 1275386, 1457584, 2550772, 2915168, 4463851, 5101544, 8927702, 10203088, 13573751, 17855404, 20406176, 27147502, 35710808, 54295004, 71421616, 95016257, 108590008, 142843232, 190032514, 217180016, 380065028, 434360032, 665113799, 760130056, 1330227598, 1520260112, 2660455196, 3040520224, 5320910392, 10641820784, 21283641568]

約数ペア:

[(1, 21283641568), (2, 10641820784), (4, 5320910392), (7, 3040520224), (8, 2660455196), (14, 1520260112), (16, 1330227598), (28, 760130056), (32, 665113799), (49, 434360032), (56, 380065028), (98, 217180016), (112, 190032514), (149, 142843232), (196, 108590008), (224, 95016257), (298, 71421616), (392, 54295004), (596, 35710808), (784, 27147502), (1043, 20406176), (1192, 17855404), (1568, 13573751), (2086, 10203088), (2384, 8927702), (4172, 5101544), (4768, 4463851), (7301, 2915168), (8344, 2550772), (14602, 1457584), (16688, 1275386), (29204, 728792), (33376, 637693), (58408, 364396), (91099, 233632), (116816, 182198)]