21905772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3673}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 59254272

約数和(自身を除く): 37348500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3673, 5964, 7346, 11019, 14692, 22038, 25711, 44076, 51422, 77133, 102844, 154266, 260783, 308532, 521566, 782349, 1043132, 1564698, 1825481, 3129396, 3650962, 5476443, 7301924, 10952886, 21905772]

約数ペア:

[(1, 21905772), (2, 10952886), (3, 7301924), (4, 5476443), (6, 3650962), (7, 3129396), (12, 1825481), (14, 1564698), (21, 1043132), (28, 782349), (42, 521566), (71, 308532), (84, 260783), (142, 154266), (213, 102844), (284, 77133), (426, 51422), (497, 44076), (852, 25711), (994, 22038), (1491, 14692), (1988, 11019), (2982, 7346), (3673, 5964)]