21225960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8423}}^1$

素因数の和:8447

約数の個数: 96

約数和(自身を含む): 78848640

約数和(自身を除く): 57622680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8423, 16846, 25269, 33692, 42115, 50538, 58961, 67384, 75807, 84230, 101076, 117922, 126345, 151614, 168460, 176883, 202152, 235844, 252690, 294805, 303228, 336920, 353766, 379035, 471688, 505380, 530649, 589610, 606456, 707532, 758070, 884415, 1010760, 1061298, 1179220, 1415064, 1516140, 1768830, 2122596, 2358440, 2653245, 3032280, 3537660, 4245192, 5306490, 7075320, 10612980, 21225960]

約数ペア:

[(1, 21225960), (2, 10612980), (3, 7075320), (4, 5306490), (5, 4245192), (6, 3537660), (7, 3032280), (8, 2653245), (9, 2358440), (10, 2122596), (12, 1768830), (14, 1516140), (15, 1415064), (18, 1179220), (20, 1061298), (21, 1010760), (24, 884415), (28, 758070), (30, 707532), (35, 606456), (36, 589610), (40, 530649), (42, 505380), (45, 471688), (56, 379035), (60, 353766), (63, 336920), (70, 303228), (72, 294805), (84, 252690), (90, 235844), (105, 202152), (120, 176883), (126, 168460), (140, 151614), (168, 126345), (180, 117922), (210, 101076), (252, 84230), (280, 75807), (315, 67384), (360, 58961), (420, 50538), (504, 42115), (630, 33692), (840, 25269), (1260, 16846), (2520, 8423)]