21621120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11261}}^1$

素因数の和:11283

約数の個数: 64

約数和(自身を含む): 68923440

約数和(自身を除く): 47302320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11261, 22522, 33783, 45044, 56305, 67566, 90088, 112610, 135132, 168915, 180176, 225220, 270264, 337830, 360352, 450440, 540528, 675660, 720704, 900880, 1081056, 1351320, 1441408, 1801760, 2162112, 2702640, 3603520, 4324224, 5405280, 7207040, 10810560, 21621120]

約数ペア:

[(1, 21621120), (2, 10810560), (3, 7207040), (4, 5405280), (5, 4324224), (6, 3603520), (8, 2702640), (10, 2162112), (12, 1801760), (15, 1441408), (16, 1351320), (20, 1081056), (24, 900880), (30, 720704), (32, 675660), (40, 540528), (48, 450440), (60, 360352), (64, 337830), (80, 270264), (96, 225220), (120, 180176), (128, 168915), (160, 135132), (192, 112610), (240, 90088), (320, 67566), (384, 56305), (480, 45044), (640, 33783), (960, 22522), (1920, 11261)]