21000396068356

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{38287}}^1\times {\mathrm{9041}}^1$

素因数の和:47884

約数の個数: 48

約数和(自身を含む): 38095858563840

約数和(自身を除く): 17095462495484

約数列:

[1, 2, 4, 29, 58, 116, 523, 1046, 2092, 9041, 15167, 18082, 30334, 36164, 38287, 60668, 76574, 153148, 262189, 524378, 1048756, 1110323, 2220646, 4441292, 4728443, 9456886, 18913772, 20024101, 40048202, 80096404, 137124847, 274249694, 346152767, 548499388, 580698929, 692305534, 1161397858, 1384611068, 2322795716, 10038430243, 20076860486, 40153720972, 181037897141, 362075794282, 724151588564, 5250099017089, 10500198034178, 21000396068356]

約数ペア:

[(1, 21000396068356), (2, 10500198034178), (4, 5250099017089), (29, 724151588564), (58, 362075794282), (116, 181037897141), (523, 40153720972), (1046, 20076860486), (2092, 10038430243), (9041, 2322795716), (15167, 1384611068), (18082, 1161397858), (30334, 692305534), (36164, 580698929), (38287, 548499388), (60668, 346152767), (76574, 274249694), (153148, 137124847), (262189, 80096404), (524378, 40048202), (1048756, 20024101), (1110323, 18913772), (2220646, 9456886), (4441292, 4728443)]