21336930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 34373790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 619, 766, 1149, 1238, 1857, 1915, 2298, 3095, 3447, 3714, 3830, 5571, 5745, 6190, 6894, 9285, 11142, 11490, 17235, 18570, 27855, 34470, 55710, 237077, 474154, 711231, 1185385, 1422462, 2133693, 2370770, 3556155, 4267386, 7112310, 10668465, 21336930]

約数ペア:

[(1, 21336930), (2, 10668465), (3, 7112310), (5, 4267386), (6, 3556155), (9, 2370770), (10, 2133693), (15, 1422462), (18, 1185385), (30, 711231), (45, 474154), (90, 237077), (383, 55710), (619, 34470), (766, 27855), (1149, 18570), (1238, 17235), (1857, 11490), (1915, 11142), (2298, 9285), (3095, 6894), (3447, 6190), (3714, 5745), (3830, 5571)]