21909479928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{363269}}^1$

素因数の和:363644

約数の個数: 64

約数和(自身を含む): 62773056000

約数和(自身を除く): 40863576072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 359, 718, 1077, 1436, 2154, 2513, 2872, 4308, 5026, 7539, 8616, 10052, 15078, 20104, 30156, 60312, 363269, 726538, 1089807, 1453076, 2179614, 2542883, 2906152, 4359228, 5085766, 7628649, 8718456, 10171532, 15257298, 20343064, 30514596, 61029192, 130413571, 260827142, 391240713, 521654284, 782481426, 912894997, 1043308568, 1564962852, 1825789994, 2738684991, 3129925704, 3651579988, 5477369982, 7303159976, 10954739964, 21909479928]

約数ペア:

[(1, 21909479928), (2, 10954739964), (3, 7303159976), (4, 5477369982), (6, 3651579988), (7, 3129925704), (8, 2738684991), (12, 1825789994), (14, 1564962852), (21, 1043308568), (24, 912894997), (28, 782481426), (42, 521654284), (56, 391240713), (84, 260827142), (168, 130413571), (359, 61029192), (718, 30514596), (1077, 20343064), (1436, 15257298), (2154, 10171532), (2513, 8718456), (2872, 7628649), (4308, 5085766), (5026, 4359228), (7539, 2906152), (8616, 2542883), (10052, 2179614), (15078, 1453076), (20104, 1089807), (30156, 726538), (60312, 363269)]