21638208

素因数分解:

$2^6\times 3^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 57607200

約数和(自身を除く): 35968992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 251, 449, 502, 753, 898, 1004, 1347, 1506, 1796, 2008, 2694, 3012, 3592, 4016, 5388, 6024, 7184, 8032, 10776, 12048, 14368, 16064, 21552, 24096, 28736, 43104, 48192, 86208, 112699, 225398, 338097, 450796, 676194, 901592, 1352388, 1803184, 2704776, 3606368, 5409552, 7212736, 10819104, 21638208]

約数ペア:

[(1, 21638208), (2, 10819104), (3, 7212736), (4, 5409552), (6, 3606368), (8, 2704776), (12, 1803184), (16, 1352388), (24, 901592), (32, 676194), (48, 450796), (64, 338097), (96, 225398), (192, 112699), (251, 86208), (449, 48192), (502, 43104), (753, 28736), (898, 24096), (1004, 21552), (1347, 16064), (1506, 14368), (1796, 12048), (2008, 10776), (2694, 8032), (3012, 7184), (3592, 6024), (4016, 5388)]