21128914176

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{410621}}^1$

素因数の和:410707

約数の個数: 72

約数和(自身を含む): 57073173024

約数和(自身を除く): 35944258848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 402, 536, 768, 804, 1072, 1608, 2144, 3216, 4288, 6432, 8576, 12864, 17152, 25728, 51456, 410621, 821242, 1231863, 1642484, 2463726, 3284968, 4927452, 6569936, 9854904, 13139872, 19709808, 26279744, 27511607, 39419616, 52559488, 55023214, 78839232, 82534821, 105118976, 110046428, 157678464, 165069642, 220092856, 315356928, 330139284, 440185712, 660278568, 880371424, 1320557136, 1760742848, 2641114272, 3521485696, 5282228544, 7042971392, 10564457088, 21128914176]

約数ペア:

[(1, 21128914176), (2, 10564457088), (3, 7042971392), (4, 5282228544), (6, 3521485696), (8, 2641114272), (12, 1760742848), (16, 1320557136), (24, 880371424), (32, 660278568), (48, 440185712), (64, 330139284), (67, 315356928), (96, 220092856), (128, 165069642), (134, 157678464), (192, 110046428), (201, 105118976), (256, 82534821), (268, 78839232), (384, 55023214), (402, 52559488), (536, 39419616), (768, 27511607), (804, 26279744), (1072, 19709808), (1608, 13139872), (2144, 9854904), (3216, 6569936), (4288, 4927452), (6432, 3284968), (8576, 2463726), (12864, 1642484), (17152, 1231863), (25728, 821242), (51456, 410621)]