21751290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 62539776

約数和(自身を除く): 40788486

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 127, 165, 173, 198, 254, 330, 346, 381, 495, 519, 635, 762, 865, 990, 1038, 1143, 1270, 1397, 1557, 1730, 1903, 1905, 2286, 2595, 2794, 3114, 3806, 3810, 4191, 5190, 5709, 5715, 6985, 7785, 8382, 9515, 11418, 11430, 12573, 13970, 15570, 17127, 19030, 20955, 21971, 25146, 28545, 34254, 41910, 43942, 57090, 62865, 65913, 85635, 109855, 125730, 131826, 171270, 197739, 219710, 241681, 329565, 395478, 483362, 659130, 725043, 988695, 1208405, 1450086, 1977390, 2175129, 2416810, 3625215, 4350258, 7250430, 10875645, 21751290]

約数ペア:

[(1, 21751290), (2, 10875645), (3, 7250430), (5, 4350258), (6, 3625215), (9, 2416810), (10, 2175129), (11, 1977390), (15, 1450086), (18, 1208405), (22, 988695), (30, 725043), (33, 659130), (45, 483362), (55, 395478), (66, 329565), (90, 241681), (99, 219710), (110, 197739), (127, 171270), (165, 131826), (173, 125730), (198, 109855), (254, 85635), (330, 65913), (346, 62865), (381, 57090), (495, 43942), (519, 41910), (635, 34254), (762, 28545), (865, 25146), (990, 21971), (1038, 20955), (1143, 19030), (1270, 17127), (1397, 15570), (1557, 13970), (1730, 12573), (1903, 11430), (1905, 11418), (2286, 9515), (2595, 8382), (2794, 7785), (3114, 6985), (3806, 5715), (3810, 5709), (4191, 5190)]