21993678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9187}}^1$

素因数の和:9221

約数の個数: 48

約数和(自身を含む): 57333120

約数和(自身を除く): 35339442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 9187, 18374, 27561, 55122, 64309, 82683, 128618, 165366, 174553, 192927, 349106, 385854, 523659, 578781, 1047318, 1157562, 1221871, 1570977, 2443742, 3141954, 3665613, 7331226, 10996839, 21993678]

約数ペア:

[(1, 21993678), (2, 10996839), (3, 7331226), (6, 3665613), (7, 3141954), (9, 2443742), (14, 1570977), (18, 1221871), (19, 1157562), (21, 1047318), (38, 578781), (42, 523659), (57, 385854), (63, 349106), (114, 192927), (126, 174553), (133, 165366), (171, 128618), (266, 82683), (342, 64309), (399, 55122), (798, 27561), (1197, 18374), (2394, 9187)]