21000737070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1781233}}^1$

素因数の和:1781377

約数の個数: 48

約数和(自身を含む): 55018755792

約数和(自身を除く): 34018018722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 1781233, 3562466, 5343699, 8906165, 10687398, 16031097, 17812330, 26718495, 32062194, 53436990, 80155485, 160310970, 233341523, 466683046, 700024569, 1166707615, 1400049138, 2100073707, 2333415230, 3500122845, 4200147414, 7000245690, 10500368535, 21000737070]

約数ペア:

[(1, 21000737070), (2, 10500368535), (3, 7000245690), (5, 4200147414), (6, 3500122845), (9, 2333415230), (10, 2100073707), (15, 1400049138), (18, 1166707615), (30, 700024569), (45, 466683046), (90, 233341523), (131, 160310970), (262, 80155485), (393, 53436990), (655, 32062194), (786, 26718495), (1179, 17812330), (1310, 16031097), (1965, 10687398), (2358, 8906165), (3930, 5343699), (5895, 3562466), (11790, 1781233)]