21818792

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{907}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 42712320

約数和(自身を除く): 20893528

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 248, 388, 776, 907, 1814, 3007, 3628, 6014, 7256, 12028, 24056, 28117, 56234, 87979, 112468, 175958, 224936, 351916, 703832, 2727349, 5454698, 10909396, 21818792]

約数ペア:

[(1, 21818792), (2, 10909396), (4, 5454698), (8, 2727349), (31, 703832), (62, 351916), (97, 224936), (124, 175958), (194, 112468), (248, 87979), (388, 56234), (776, 28117), (907, 24056), (1814, 12028), (3007, 7256), (3628, 6014)]