21062940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15263}}^1$

素因数の和:15298

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 40481508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15263, 30526, 45789, 61052, 76315, 91578, 152630, 183156, 228945, 305260, 351049, 457890, 702098, 915780, 1053147, 1404196, 1755245, 2106294, 3510490, 4212588, 5265735, 7020980, 10531470, 21062940]

約数ペア:

[(1, 21062940), (2, 10531470), (3, 7020980), (4, 5265735), (5, 4212588), (6, 3510490), (10, 2106294), (12, 1755245), (15, 1404196), (20, 1053147), (23, 915780), (30, 702098), (46, 457890), (60, 351049), (69, 305260), (92, 228945), (115, 183156), (138, 152630), (230, 91578), (276, 76315), (345, 61052), (460, 45789), (690, 30526), (1380, 15263)]