21882680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28793}}^1$

素因数の和:28823

約数の個数: 32

約数和(自身を含む): 51829200

約数和(自身を除く): 29946520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28793, 57586, 115172, 143965, 230344, 287930, 547067, 575860, 1094134, 1151720, 2188268, 2735335, 4376536, 5470670, 10941340, 21882680]

約数ペア:

[(1, 21882680), (2, 10941340), (4, 5470670), (5, 4376536), (8, 2735335), (10, 2188268), (19, 1151720), (20, 1094134), (38, 575860), (40, 547067), (76, 287930), (95, 230344), (152, 143965), (190, 115172), (380, 57586), (760, 28793)]