21426900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 69662208

約数和(自身を除く): 48235308

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 43, 44, 50, 55, 60, 66, 75, 86, 100, 110, 129, 132, 150, 151, 165, 172, 215, 220, 258, 275, 300, 302, 330, 430, 453, 473, 516, 550, 604, 645, 660, 755, 825, 860, 906, 946, 1075, 1100, 1290, 1419, 1510, 1650, 1661, 1812, 1892, 2150, 2265, 2365, 2580, 2838, 3020, 3225, 3300, 3322, 3775, 4300, 4530, 4730, 4983, 5676, 6450, 6493, 6644, 7095, 7550, 8305, 9060, 9460, 9966, 11325, 11825, 12900, 12986, 14190, 15100, 16610, 19479, 19932, 22650, 23650, 24915, 25972, 28380, 32465, 33220, 35475, 38958, 41525, 45300, 47300, 49830, 64930, 70950, 71423, 77916, 83050, 97395, 99660, 124575, 129860, 141900, 142846, 162325, 166100, 194790, 214269, 249150, 285692, 324650, 357115, 389580, 428538, 486975, 498300, 649300, 714230, 857076, 973950, 1071345, 1428460, 1785575, 1947900, 2142690, 3571150, 4285380, 5356725, 7142300, 10713450, 21426900]

約数ペア:

[(1, 21426900), (2, 10713450), (3, 7142300), (4, 5356725), (5, 4285380), (6, 3571150), (10, 2142690), (11, 1947900), (12, 1785575), (15, 1428460), (20, 1071345), (22, 973950), (25, 857076), (30, 714230), (33, 649300), (43, 498300), (44, 486975), (50, 428538), (55, 389580), (60, 357115), (66, 324650), (75, 285692), (86, 249150), (100, 214269), (110, 194790), (129, 166100), (132, 162325), (150, 142846), (151, 141900), (165, 129860), (172, 124575), (215, 99660), (220, 97395), (258, 83050), (275, 77916), (300, 71423), (302, 70950), (330, 64930), (430, 49830), (453, 47300), (473, 45300), (516, 41525), (550, 38958), (604, 35475), (645, 33220), (660, 32465), (755, 28380), (825, 25972), (860, 24915), (906, 23650), (946, 22650), (1075, 19932), (1100, 19479), (1290, 16610), (1419, 15100), (1510, 14190), (1650, 12986), (1661, 12900), (1812, 11825), (1892, 11325), (2150, 9966), (2265, 9460), (2365, 9060), (2580, 8305), (2838, 7550), (3020, 7095), (3225, 6644), (3300, 6493), (3322, 6450), (3775, 5676), (4300, 4983), (4530, 4730)]