21021504

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15641}}^1$

素因数の和:15663

約数の個数: 56

約数和(自身を含む): 63569088

約数和(自身を除く): 42547584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15641, 31282, 46923, 62564, 93846, 109487, 125128, 187692, 218974, 250256, 328461, 375384, 437948, 500512, 656922, 750768, 875896, 1001024, 1313844, 1501536, 1751792, 2627688, 3003072, 3503584, 5255376, 7007168, 10510752, 21021504]

約数ペア:

[(1, 21021504), (2, 10510752), (3, 7007168), (4, 5255376), (6, 3503584), (7, 3003072), (8, 2627688), (12, 1751792), (14, 1501536), (16, 1313844), (21, 1001024), (24, 875896), (28, 750768), (32, 656922), (42, 500512), (48, 437948), (56, 375384), (64, 328461), (84, 250256), (96, 218974), (112, 187692), (168, 125128), (192, 109487), (224, 93846), (336, 62564), (448, 46923), (672, 31282), (1344, 15641)]