21020460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18439}}^1$

素因数の和:18470

約数の個数: 48

約数和(自身を含む): 61958400

約数和(自身を除く): 40937940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18439, 36878, 55317, 73756, 92195, 110634, 184390, 221268, 276585, 350341, 368780, 553170, 700682, 1051023, 1106340, 1401364, 1751705, 2102046, 3503410, 4204092, 5255115, 7006820, 10510230, 21020460]

約数ペア:

[(1, 21020460), (2, 10510230), (3, 7006820), (4, 5255115), (5, 4204092), (6, 3503410), (10, 2102046), (12, 1751705), (15, 1401364), (19, 1106340), (20, 1051023), (30, 700682), (38, 553170), (57, 368780), (60, 350341), (76, 276585), (95, 221268), (114, 184390), (190, 110634), (228, 92195), (285, 73756), (380, 55317), (570, 36878), (1140, 18439)]