21528960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11213}}^1$

素因数の和:11235

約数の個数: 64

約数和(自身を含む): 68629680

約数和(自身を除く): 47100720

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, 11213, 22426, 33639, 44852, 56065, 67278, 89704, 112130, 134556, 168195, 179408, 224260, 269112, 336390, 358816, 448520, 538224, 672780, 717632, 897040, 1076448, 1345560, 1435264, 1794080, 2152896, 2691120, 3588160, 4305792, 5382240, 7176320, 10764480, 21528960]

約数ペア:

[(1, 21528960), (2, 10764480), (3, 7176320), (4, 5382240), (5, 4305792), (6, 3588160), (8, 2691120), (10, 2152896), (12, 1794080), (15, 1435264), (16, 1345560), (20, 1076448), (24, 897040), (30, 717632), (32, 672780), (40, 538224), (48, 448520), (60, 358816), (64, 336390), (80, 269112), (96, 224260), (120, 179408), (128, 168195), (160, 134556), (192, 112130), (240, 89704), (320, 67278), (384, 56065), (480, 44852), (640, 33639), (960, 22426), (1920, 11213)]