21167741903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{24971}}^1$

素因数の和:25199

約数の個数: 32

約数和(自身を含む): 26897840640

約数和(自身を除く): 5730098737

約数列:

[1, 7, 11, 77, 101, 109, 707, 763, 1111, 1199, 7777, 8393, 11009, 24971, 77063, 121099, 174797, 274681, 847693, 1922767, 2522071, 2721839, 17654497, 19052873, 27742781, 29940229, 194199467, 209581603, 274905739, 1924340173, 3023963129, 21167741903]

約数ペア:

[(1, 21167741903), (7, 3023963129), (11, 1924340173), (77, 274905739), (101, 209581603), (109, 194199467), (707, 29940229), (763, 27742781), (1111, 19052873), (1199, 17654497), (7777, 2721839), (8393, 2522071), (11009, 1922767), (24971, 847693), (77063, 274681), (121099, 174797)]