21095568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 64995840

約数和(自身を除く): 43900272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 59, 72, 78, 104, 117, 118, 144, 156, 177, 191, 208, 234, 236, 312, 354, 382, 468, 472, 531, 573, 624, 708, 764, 767, 936, 944, 1062, 1146, 1416, 1528, 1534, 1719, 1872, 2124, 2292, 2301, 2483, 2832, 3056, 3068, 3438, 4248, 4584, 4602, 4966, 6136, 6876, 6903, 7449, 8496, 9168, 9204, 9932, 11269, 12272, 13752, 13806, 14898, 18408, 19864, 22347, 22538, 27504, 27612, 29796, 33807, 36816, 39728, 44694, 45076, 55224, 59592, 67614, 89388, 90152, 101421, 110448, 119184, 135228, 146497, 178776, 180304, 202842, 270456, 292994, 357552, 405684, 439491, 540912, 585988, 811368, 878982, 1171976, 1318473, 1622736, 1757964, 2343952, 2636946, 3515928, 5273892, 7031856, 10547784, 21095568]

約数ペア:

[(1, 21095568), (2, 10547784), (3, 7031856), (4, 5273892), (6, 3515928), (8, 2636946), (9, 2343952), (12, 1757964), (13, 1622736), (16, 1318473), (18, 1171976), (24, 878982), (26, 811368), (36, 585988), (39, 540912), (48, 439491), (52, 405684), (59, 357552), (72, 292994), (78, 270456), (104, 202842), (117, 180304), (118, 178776), (144, 146497), (156, 135228), (177, 119184), (191, 110448), (208, 101421), (234, 90152), (236, 89388), (312, 67614), (354, 59592), (382, 55224), (468, 45076), (472, 44694), (531, 39728), (573, 36816), (624, 33807), (708, 29796), (764, 27612), (767, 27504), (936, 22538), (944, 22347), (1062, 19864), (1146, 18408), (1416, 14898), (1528, 13806), (1534, 13752), (1719, 12272), (1872, 11269), (2124, 9932), (2292, 9204), (2301, 9168), (2483, 8496), (2832, 7449), (3056, 6903), (3068, 6876), (3438, 6136), (4248, 4966), (4584, 4602)]