21359214

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27387666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 619, 639, 1238, 1278, 1857, 1917, 3714, 3834, 5571, 5751, 11142, 11502, 16713, 17253, 33426, 34506, 43949, 50139, 87898, 100278, 131847, 150417, 263694, 300834, 395541, 791082, 1186623, 2373246, 3559869, 7119738, 10679607, 21359214]

約数ペア:

[(1, 21359214), (2, 10679607), (3, 7119738), (6, 3559869), (9, 2373246), (18, 1186623), (27, 791082), (54, 395541), (71, 300834), (81, 263694), (142, 150417), (162, 131847), (213, 100278), (243, 87898), (426, 50139), (486, 43949), (619, 34506), (639, 33426), (1238, 17253), (1278, 16713), (1857, 11502), (1917, 11142), (3714, 5751), (3834, 5571)]