21132053710

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{1061}}^1$

素因数の和:1549

約数の個数: 64

約数和(自身を含む): 39196669824

約数和(自身を除く): 18064616114

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 317, 515, 610, 634, 1030, 1061, 1585, 2122, 3170, 5305, 6283, 10610, 12566, 19337, 31415, 32651, 38674, 62830, 64721, 65302, 96685, 109283, 129442, 163255, 193370, 218566, 323605, 326510, 336337, 546415, 647210, 672674, 1092830, 1681685, 1991711, 3363370, 3983422, 6666263, 9958555, 13332526, 19917110, 20516557, 33331315, 34642711, 41033114, 66662630, 69285422, 102582785, 173213555, 205165570, 346427110, 2113205371, 4226410742, 10566026855, 21132053710]

約数ペア:

[(1, 21132053710), (2, 10566026855), (5, 4226410742), (10, 2113205371), (61, 346427110), (103, 205165570), (122, 173213555), (206, 102582785), (305, 69285422), (317, 66662630), (515, 41033114), (610, 34642711), (634, 33331315), (1030, 20516557), (1061, 19917110), (1585, 13332526), (2122, 9958555), (3170, 6666263), (5305, 3983422), (6283, 3363370), (10610, 1991711), (12566, 1681685), (19337, 1092830), (31415, 672674), (32651, 647210), (38674, 546415), (62830, 336337), (64721, 326510), (65302, 323605), (96685, 218566), (109283, 193370), (129442, 163255)]