21904980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5449}}^1$

素因数の和:5528

約数の個数: 48

約数和(自身を含む): 62260800

約数和(自身を除く): 40355820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5449, 10898, 16347, 21796, 27245, 32694, 54490, 65388, 81735, 108980, 163470, 326940, 365083, 730166, 1095249, 1460332, 1825415, 2190498, 3650830, 4380996, 5476245, 7301660, 10952490, 21904980]

約数ペア:

[(1, 21904980), (2, 10952490), (3, 7301660), (4, 5476245), (5, 4380996), (6, 3650830), (10, 2190498), (12, 1825415), (15, 1460332), (20, 1095249), (30, 730166), (60, 365083), (67, 326940), (134, 163470), (201, 108980), (268, 81735), (335, 65388), (402, 54490), (670, 32694), (804, 27245), (1005, 21796), (1340, 16347), (2010, 10898), (4020, 5449)]