21062700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 70308000

約数和(自身を除く): 49245300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 269, 270, 290, 300, 348, 435, 450, 522, 538, 540, 580, 675, 725, 783, 807, 870, 900, 1044, 1076, 1305, 1345, 1350, 1450, 1566, 1614, 1740, 2175, 2421, 2610, 2690, 2700, 2900, 3132, 3228, 3915, 4035, 4350, 4842, 5220, 5380, 6525, 6725, 7263, 7801, 7830, 8070, 8700, 9684, 12105, 13050, 13450, 14526, 15602, 15660, 16140, 19575, 20175, 23403, 24210, 26100, 26900, 29052, 31204, 36315, 39005, 39150, 40350, 46806, 48420, 60525, 70209, 72630, 78010, 78300, 80700, 93612, 117015, 121050, 140418, 145260, 156020, 181575, 195025, 210627, 234030, 242100, 280836, 351045, 363150, 390050, 421254, 468060, 585075, 702090, 726300, 780100, 842508, 1053135, 1170150, 1404180, 1755225, 2106270, 2340300, 3510450, 4212540, 5265675, 7020900, 10531350, 21062700]

約数ペア:

[(1, 21062700), (2, 10531350), (3, 7020900), (4, 5265675), (5, 4212540), (6, 3510450), (9, 2340300), (10, 2106270), (12, 1755225), (15, 1404180), (18, 1170150), (20, 1053135), (25, 842508), (27, 780100), (29, 726300), (30, 702090), (36, 585075), (45, 468060), (50, 421254), (54, 390050), (58, 363150), (60, 351045), (75, 280836), (87, 242100), (90, 234030), (100, 210627), (108, 195025), (116, 181575), (135, 156020), (145, 145260), (150, 140418), (174, 121050), (180, 117015), (225, 93612), (261, 80700), (269, 78300), (270, 78010), (290, 72630), (300, 70209), (348, 60525), (435, 48420), (450, 46806), (522, 40350), (538, 39150), (540, 39005), (580, 36315), (675, 31204), (725, 29052), (783, 26900), (807, 26100), (870, 24210), (900, 23403), (1044, 20175), (1076, 19575), (1305, 16140), (1345, 15660), (1350, 15602), (1450, 14526), (1566, 13450), (1614, 13050), (1740, 12105), (2175, 9684), (2421, 8700), (2610, 8070), (2690, 7830), (2700, 7801), (2900, 7263), (3132, 6725), (3228, 6525), (3915, 5380), (4035, 5220), (4350, 4842)]