21029504

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8647}}^1$

素因数の和:8680

約数の個数: 32

約数和(自身を含む): 44104800

約数和(自身を除く): 23075296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8647, 17294, 34588, 69176, 138352, 164293, 276704, 328586, 553408, 657172, 1106816, 1314344, 2628688, 5257376, 10514752, 21029504]

約数ペア:

[(1, 21029504), (2, 10514752), (4, 5257376), (8, 2628688), (16, 1314344), (19, 1106816), (32, 657172), (38, 553408), (64, 328586), (76, 276704), (128, 164293), (152, 138352), (304, 69176), (608, 34588), (1216, 17294), (2432, 8647)]