21105960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9257}}^1$

素因数の和:9290

約数の個数: 64

約数和(自身を含む): 66657600

約数和(自身を除く): 45551640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9257, 18514, 27771, 37028, 46285, 55542, 74056, 92570, 111084, 138855, 175883, 185140, 222168, 277710, 351766, 370280, 527649, 555420, 703532, 879415, 1055298, 1110840, 1407064, 1758830, 2110596, 2638245, 3517660, 4221192, 5276490, 7035320, 10552980, 21105960]

約数ペア:

[(1, 21105960), (2, 10552980), (3, 7035320), (4, 5276490), (5, 4221192), (6, 3517660), (8, 2638245), (10, 2110596), (12, 1758830), (15, 1407064), (19, 1110840), (20, 1055298), (24, 879415), (30, 703532), (38, 555420), (40, 527649), (57, 370280), (60, 351766), (76, 277710), (95, 222168), (114, 185140), (120, 175883), (152, 138855), (190, 111084), (228, 92570), (285, 74056), (380, 55542), (456, 46285), (570, 37028), (760, 27771), (1140, 18514), (2280, 9257)]