21879868670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1\times {\mathrm{9013}}^1$

素因数の和:9821

約数の個数: 64

約数和(自身を含む): 44508968640

約数和(自身を除く): 22629099970

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 761, 1522, 1595, 3190, 3805, 7610, 8371, 9013, 16742, 18026, 22069, 41855, 44138, 45065, 83710, 90130, 99143, 110345, 198286, 220690, 242759, 261377, 485518, 495715, 522754, 991430, 1213795, 1306885, 2427590, 2613770, 2875147, 5750294, 6858893, 13717786, 14375735, 28751470, 34294465, 68588930, 75447823, 150895646, 198907897, 377239115, 397815794, 754478230, 994539485, 1989078970, 2187986867, 4375973734, 10939934335, 21879868670]

約数ペア:

[(1, 21879868670), (2, 10939934335), (5, 4375973734), (10, 2187986867), (11, 1989078970), (22, 994539485), (29, 754478230), (55, 397815794), (58, 377239115), (110, 198907897), (145, 150895646), (290, 75447823), (319, 68588930), (638, 34294465), (761, 28751470), (1522, 14375735), (1595, 13717786), (3190, 6858893), (3805, 5750294), (7610, 2875147), (8371, 2613770), (9013, 2427590), (16742, 1306885), (18026, 1213795), (22069, 991430), (41855, 522754), (44138, 495715), (45065, 485518), (83710, 261377), (90130, 242759), (99143, 220690), (110345, 198286)]