21684600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1750

約数の個数: 144

約数和(自身を含む): 83275920

約数和(自身を除く): 61591320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1721, 1800, 2100, 2520, 3150, 3442, 4200, 5163, 6300, 6884, 8605, 10326, 12047, 12600, 13768, 15489, 17210, 20652, 24094, 25815, 30978, 34420, 36141, 41304, 43025, 48188, 51630, 60235, 61956, 68840, 72282, 77445, 86050, 96376, 103260, 108423, 120470, 123912, 129075, 144564, 154890, 172100, 180705, 206520, 216846, 240940, 258150, 289128, 301175, 309780, 344200, 361410, 387225, 433692, 481880, 516300, 542115, 602350, 619560, 722820, 774450, 867384, 903525, 1032600, 1084230, 1204700, 1445640, 1548900, 1807050, 2168460, 2409400, 2710575, 3097800, 3614100, 4336920, 5421150, 7228200, 10842300, 21684600]

約数ペア:

[(1, 21684600), (2, 10842300), (3, 7228200), (4, 5421150), (5, 4336920), (6, 3614100), (7, 3097800), (8, 2710575), (9, 2409400), (10, 2168460), (12, 1807050), (14, 1548900), (15, 1445640), (18, 1204700), (20, 1084230), (21, 1032600), (24, 903525), (25, 867384), (28, 774450), (30, 722820), (35, 619560), (36, 602350), (40, 542115), (42, 516300), (45, 481880), (50, 433692), (56, 387225), (60, 361410), (63, 344200), (70, 309780), (72, 301175), (75, 289128), (84, 258150), (90, 240940), (100, 216846), (105, 206520), (120, 180705), (126, 172100), (140, 154890), (150, 144564), (168, 129075), (175, 123912), (180, 120470), (200, 108423), (210, 103260), (225, 96376), (252, 86050), (280, 77445), (300, 72282), (315, 68840), (350, 61956), (360, 60235), (420, 51630), (450, 48188), (504, 43025), (525, 41304), (600, 36141), (630, 34420), (700, 30978), (840, 25815), (900, 24094), (1050, 20652), (1260, 17210), (1400, 15489), (1575, 13768), (1721, 12600), (1800, 12047), (2100, 10326), (2520, 8605), (3150, 6884), (3442, 6300), (4200, 5163)]