21325590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1694

約数の個数: 96

約数和(自身を含む): 65179296

約数和(自身を除く): 43853706

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1657, 2145, 2574, 3314, 4290, 4971, 6435, 8285, 9942, 12870, 14913, 16570, 18227, 21541, 24855, 29826, 36454, 43082, 49710, 54681, 64623, 74565, 91135, 107705, 109362, 129246, 149130, 164043, 182270, 193869, 215410, 236951, 273405, 323115, 328086, 387738, 473902, 546810, 646230, 710853, 820215, 969345, 1184755, 1421706, 1640430, 1938690, 2132559, 2369510, 3554265, 4265118, 7108530, 10662795, 21325590]

約数ペア:

[(1, 21325590), (2, 10662795), (3, 7108530), (5, 4265118), (6, 3554265), (9, 2369510), (10, 2132559), (11, 1938690), (13, 1640430), (15, 1421706), (18, 1184755), (22, 969345), (26, 820215), (30, 710853), (33, 646230), (39, 546810), (45, 473902), (55, 387738), (65, 328086), (66, 323115), (78, 273405), (90, 236951), (99, 215410), (110, 193869), (117, 182270), (130, 164043), (143, 149130), (165, 129246), (195, 109362), (198, 107705), (234, 91135), (286, 74565), (330, 64623), (390, 54681), (429, 49710), (495, 43082), (585, 36454), (715, 29826), (858, 24855), (990, 21541), (1170, 18227), (1287, 16570), (1430, 14913), (1657, 12870), (2145, 9942), (2574, 8285), (3314, 6435), (4290, 4971)]