21784230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 62558496

約数和(自身を除く): 40774266

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 43, 45, 65, 78, 86, 90, 117, 129, 130, 195, 215, 234, 258, 387, 390, 430, 433, 559, 585, 645, 774, 866, 1118, 1170, 1290, 1299, 1677, 1935, 2165, 2598, 2795, 3354, 3870, 3897, 4330, 5031, 5590, 5629, 6495, 7794, 8385, 10062, 11258, 12990, 16770, 16887, 18619, 19485, 25155, 28145, 33774, 37238, 38970, 50310, 50661, 55857, 56290, 84435, 93095, 101322, 111714, 167571, 168870, 186190, 242047, 253305, 279285, 335142, 484094, 506610, 558570, 726141, 837855, 1210235, 1452282, 1675710, 2178423, 2420470, 3630705, 4356846, 7261410, 10892115, 21784230]

約数ペア:

[(1, 21784230), (2, 10892115), (3, 7261410), (5, 4356846), (6, 3630705), (9, 2420470), (10, 2178423), (13, 1675710), (15, 1452282), (18, 1210235), (26, 837855), (30, 726141), (39, 558570), (43, 506610), (45, 484094), (65, 335142), (78, 279285), (86, 253305), (90, 242047), (117, 186190), (129, 168870), (130, 167571), (195, 111714), (215, 101322), (234, 93095), (258, 84435), (387, 56290), (390, 55857), (430, 50661), (433, 50310), (559, 38970), (585, 37238), (645, 33774), (774, 28145), (866, 25155), (1118, 19485), (1170, 18619), (1290, 16887), (1299, 16770), (1677, 12990), (1935, 11258), (2165, 10062), (2598, 8385), (2795, 7794), (3354, 6495), (3870, 5629), (3897, 5590), (4330, 5031)]