21896850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 59567616

約数和(自身を除く): 37670766

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 31, 34, 50, 51, 62, 75, 85, 93, 102, 150, 155, 170, 186, 255, 277, 310, 425, 465, 510, 527, 554, 775, 831, 850, 930, 1054, 1275, 1385, 1550, 1581, 1662, 2325, 2550, 2635, 2770, 3162, 4155, 4650, 4709, 5270, 6925, 7905, 8310, 8587, 9418, 13175, 13850, 14127, 15810, 17174, 20775, 23545, 25761, 26350, 28254, 39525, 41550, 42935, 47090, 51522, 70635, 79050, 85870, 117725, 128805, 141270, 145979, 214675, 235450, 257610, 291958, 353175, 429350, 437937, 644025, 706350, 729895, 875874, 1288050, 1459790, 2189685, 3649475, 4379370, 7298950, 10948425, 21896850]

約数ペア:

[(1, 21896850), (2, 10948425), (3, 7298950), (5, 4379370), (6, 3649475), (10, 2189685), (15, 1459790), (17, 1288050), (25, 875874), (30, 729895), (31, 706350), (34, 644025), (50, 437937), (51, 429350), (62, 353175), (75, 291958), (85, 257610), (93, 235450), (102, 214675), (150, 145979), (155, 141270), (170, 128805), (186, 117725), (255, 85870), (277, 79050), (310, 70635), (425, 51522), (465, 47090), (510, 42935), (527, 41550), (554, 39525), (775, 28254), (831, 26350), (850, 25761), (930, 23545), (1054, 20775), (1275, 17174), (1385, 15810), (1550, 14127), (1581, 13850), (1662, 13175), (2325, 9418), (2550, 8587), (2635, 8310), (2770, 7905), (3162, 6925), (4155, 5270), (4650, 4709)]