21128473894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{3733}}^1$

素因数の和:4013

約数の個数: 64

約数和(自身を含む): 36718184448

約数和(自身を除く): 15589710554

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 193, 341, 386, 473, 682, 946, 1333, 2123, 2666, 3733, 4246, 5983, 7466, 8299, 11966, 14663, 16598, 29326, 41063, 65813, 82126, 91289, 115723, 131626, 160519, 182578, 231446, 257269, 321038, 514538, 720469, 1272953, 1440938, 1765709, 2545906, 2829959, 3531418, 4976089, 5659918, 7925159, 9952178, 15850318, 22334539, 30980167, 44669078, 54736979, 61960334, 109473958, 245679929, 340781837, 491359858, 681563674, 960385177, 1920770354, 10564236947, 21128473894]

約数ペア:

[(1, 21128473894), (2, 10564236947), (11, 1920770354), (22, 960385177), (31, 681563674), (43, 491359858), (62, 340781837), (86, 245679929), (193, 109473958), (341, 61960334), (386, 54736979), (473, 44669078), (682, 30980167), (946, 22334539), (1333, 15850318), (2123, 9952178), (2666, 7925159), (3733, 5659918), (4246, 4976089), (5983, 3531418), (7466, 2829959), (8299, 2545906), (11966, 1765709), (14663, 1440938), (16598, 1272953), (29326, 720469), (41063, 514538), (65813, 321038), (82126, 257269), (91289, 231446), (115723, 182578), (131626, 160519)]