21542766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31679634

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 42, 46, 58, 69, 87, 138, 161, 174, 203, 322, 406, 483, 609, 667, 769, 966, 1218, 1334, 1538, 2001, 2307, 4002, 4614, 4669, 5383, 9338, 10766, 14007, 16149, 17687, 22301, 28014, 32298, 35374, 44602, 53061, 66903, 106122, 123809, 133806, 156107, 247618, 312214, 371427, 468321, 512923, 742854, 936642, 1025846, 1538769, 3077538, 3590461, 7180922, 10771383, 21542766]

約数ペア:

[(1, 21542766), (2, 10771383), (3, 7180922), (6, 3590461), (7, 3077538), (14, 1538769), (21, 1025846), (23, 936642), (29, 742854), (42, 512923), (46, 468321), (58, 371427), (69, 312214), (87, 247618), (138, 156107), (161, 133806), (174, 123809), (203, 106122), (322, 66903), (406, 53061), (483, 44602), (609, 35374), (667, 32298), (769, 28014), (966, 22301), (1218, 17687), (1334, 16149), (1538, 14007), (2001, 10766), (2307, 9338), (4002, 5383), (4614, 4669)]