21897132370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{7039}}^1$

素因数の和:7723

約数の個数: 64

約数和(自身を含む): 43247001600

約数和(自身を除く): 21349869230

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 631, 986, 1262, 2465, 3155, 4930, 6310, 7039, 10727, 14078, 18299, 21454, 35195, 36598, 53635, 70390, 91495, 107270, 119663, 182990, 204131, 239326, 311083, 408262, 598315, 622166, 1020655, 1196630, 1555415, 2041310, 3110830, 3470227, 4441609, 6940454, 8883218, 17351135, 22208045, 34702270, 44416090, 75507353, 128806661, 151014706, 257613322, 377536765, 644033305, 755073530, 1288066610, 2189713237, 4379426474, 10948566185, 21897132370]

約数ペア:

[(1, 21897132370), (2, 10948566185), (5, 4379426474), (10, 2189713237), (17, 1288066610), (29, 755073530), (34, 644033305), (58, 377536765), (85, 257613322), (145, 151014706), (170, 128806661), (290, 75507353), (493, 44416090), (631, 34702270), (986, 22208045), (1262, 17351135), (2465, 8883218), (3155, 6940454), (4930, 4441609), (6310, 3470227), (7039, 3110830), (10727, 2041310), (14078, 1555415), (18299, 1196630), (21454, 1020655), (35195, 622166), (36598, 598315), (53635, 408262), (70390, 311083), (91495, 239326), (107270, 204131), (119663, 182990)]