21711528

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 63180000

約数和(自身を除く): 41468472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 59, 72, 76, 114, 118, 152, 171, 177, 228, 236, 269, 342, 354, 456, 472, 531, 538, 684, 708, 807, 1062, 1076, 1121, 1368, 1416, 1614, 2124, 2152, 2242, 2421, 3228, 3363, 4248, 4484, 4842, 5111, 6456, 6726, 8968, 9684, 10089, 10222, 13452, 15333, 15871, 19368, 20178, 20444, 26904, 30666, 31742, 40356, 40888, 45999, 47613, 61332, 63484, 80712, 91998, 95226, 122664, 126968, 142839, 183996, 190452, 285678, 301549, 367992, 380904, 571356, 603098, 904647, 1142712, 1206196, 1809294, 2412392, 2713941, 3618588, 5427882, 7237176, 10855764, 21711528]

約数ペア:

[(1, 21711528), (2, 10855764), (3, 7237176), (4, 5427882), (6, 3618588), (8, 2713941), (9, 2412392), (12, 1809294), (18, 1206196), (19, 1142712), (24, 904647), (36, 603098), (38, 571356), (57, 380904), (59, 367992), (72, 301549), (76, 285678), (114, 190452), (118, 183996), (152, 142839), (171, 126968), (177, 122664), (228, 95226), (236, 91998), (269, 80712), (342, 63484), (354, 61332), (456, 47613), (472, 45999), (531, 40888), (538, 40356), (684, 31742), (708, 30666), (807, 26904), (1062, 20444), (1076, 20178), (1121, 19368), (1368, 15871), (1416, 15333), (1614, 13452), (2124, 10222), (2152, 10089), (2242, 9684), (2421, 8968), (3228, 6726), (3363, 6456), (4248, 5111), (4484, 4842)]