21942844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 48254976

約数和(自身を除く): 26312132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 191, 308, 373, 382, 746, 764, 1337, 1492, 2101, 2611, 2674, 4103, 4202, 5222, 5348, 8206, 8404, 10444, 14707, 16412, 28721, 29414, 57442, 58828, 71243, 114884, 142486, 284972, 498701, 783673, 997402, 1567346, 1994804, 3134692, 5485711, 10971422, 21942844]

約数ペア:

[(1, 21942844), (2, 10971422), (4, 5485711), (7, 3134692), (11, 1994804), (14, 1567346), (22, 997402), (28, 783673), (44, 498701), (77, 284972), (154, 142486), (191, 114884), (308, 71243), (373, 58828), (382, 57442), (746, 29414), (764, 28721), (1337, 16412), (1492, 14707), (2101, 10444), (2611, 8404), (2674, 8206), (4103, 5348), (4202, 5222)]