21452156940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8720389}}^1$

素因数の和:8720442

約数の個数: 48

約数和(自身を含む): 61531071840

約数和(自身を除く): 40078914900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8720389, 17440778, 26161167, 34881556, 43601945, 52322334, 87203890, 104644668, 130805835, 174407780, 261611670, 357535949, 523223340, 715071898, 1072607847, 1430143796, 1787679745, 2145215694, 3575359490, 4290431388, 5363039235, 7150718980, 10726078470, 21452156940]

約数ペア:

[(1, 21452156940), (2, 10726078470), (3, 7150718980), (4, 5363039235), (5, 4290431388), (6, 3575359490), (10, 2145215694), (12, 1787679745), (15, 1430143796), (20, 1072607847), (30, 715071898), (41, 523223340), (60, 357535949), (82, 261611670), (123, 174407780), (164, 130805835), (205, 104644668), (246, 87203890), (410, 52322334), (492, 43601945), (615, 34881556), (820, 26161167), (1230, 17440778), (2460, 8720389)]