21133035

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 28633365

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 107, 133, 135, 165, 171, 189, 209, 231, 285, 297, 315, 321, 385, 399, 495, 513, 535, 627, 665, 693, 749, 855, 945, 963, 1045, 1155, 1177, 1197, 1463, 1485, 1605, 1881, 1995, 2033, 2079, 2247, 2565, 2889, 3135, 3465, 3531, 3591, 3745, 4389, 4815, 5643, 5885, 5985, 6099, 6741, 7315, 8239, 9405, 10165, 10395, 10593, 11235, 13167, 14231, 14445, 17655, 17955, 18297, 20223, 21945, 22363, 24717, 28215, 30495, 31779, 33705, 39501, 41195, 42693, 52965, 54891, 65835, 67089, 71155, 74151, 91485, 101115, 111815, 123585, 128079, 156541, 158895, 197505, 201267, 213465, 222453, 274455, 335445, 370755, 384237, 469623, 603801, 640395, 782705, 1006335, 1112265, 1408869, 1921185, 2348115, 3019005, 4226607, 7044345, 21133035]

約数ペア:

[(1, 21133035), (3, 7044345), (5, 4226607), (7, 3019005), (9, 2348115), (11, 1921185), (15, 1408869), (19, 1112265), (21, 1006335), (27, 782705), (33, 640395), (35, 603801), (45, 469623), (55, 384237), (57, 370755), (63, 335445), (77, 274455), (95, 222453), (99, 213465), (105, 201267), (107, 197505), (133, 158895), (135, 156541), (165, 128079), (171, 123585), (189, 111815), (209, 101115), (231, 91485), (285, 74151), (297, 71155), (315, 67089), (321, 65835), (385, 54891), (399, 52965), (495, 42693), (513, 41195), (535, 39501), (627, 33705), (665, 31779), (693, 30495), (749, 28215), (855, 24717), (945, 22363), (963, 21945), (1045, 20223), (1155, 18297), (1177, 17955), (1197, 17655), (1463, 14445), (1485, 14231), (1605, 13167), (1881, 11235), (1995, 10593), (2033, 10395), (2079, 10165), (2247, 9405), (2565, 8239), (2889, 7315), (3135, 6741), (3465, 6099), (3531, 5985), (3591, 5885), (3745, 5643), (4389, 4815)]