21515692030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{76213}}^1$

素因数の和:76373

約数の個数: 64

約数和(自身を含む): 45874730880

約数和(自身を除く): 24359038850

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 109, 185, 218, 259, 370, 518, 545, 763, 1090, 1295, 1526, 2590, 3815, 4033, 7630, 8066, 20165, 28231, 40330, 56462, 76213, 141155, 152426, 282310, 381065, 533491, 762130, 1066982, 2667455, 2819881, 5334910, 5639762, 8307217, 14099405, 16614434, 19739167, 28198810, 39478334, 41536085, 58150519, 83072170, 98695835, 116301038, 197391670, 290752595, 307367029, 581505190, 614734058, 1536835145, 2151569203, 3073670290, 4303138406, 10757846015, 21515692030]

約数ペア:

[(1, 21515692030), (2, 10757846015), (5, 4303138406), (7, 3073670290), (10, 2151569203), (14, 1536835145), (35, 614734058), (37, 581505190), (70, 307367029), (74, 290752595), (109, 197391670), (185, 116301038), (218, 98695835), (259, 83072170), (370, 58150519), (518, 41536085), (545, 39478334), (763, 28198810), (1090, 19739167), (1295, 16614434), (1526, 14099405), (2590, 8307217), (3815, 5639762), (4033, 5334910), (7630, 2819881), (8066, 2667455), (20165, 1066982), (28231, 762130), (40330, 533491), (56462, 381065), (76213, 282310), (141155, 152426)]