21126690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 61136640

約数和(自身を除く): 40009950

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 463, 507, 585, 702, 845, 926, 1014, 1170, 1389, 1521, 1690, 1755, 2315, 2535, 2778, 3042, 3510, 4167, 4563, 4630, 5070, 6019, 6945, 7605, 8334, 9126, 12038, 12501, 13890, 15210, 18057, 20835, 22815, 25002, 30095, 36114, 41670, 45630, 54171, 60190, 62505, 78247, 90285, 108342, 125010, 156494, 162513, 180570, 234741, 270855, 325026, 391235, 469482, 541710, 704223, 782470, 812565, 1173705, 1408446, 1625130, 2112669, 2347410, 3521115, 4225338, 7042230, 10563345, 21126690]

約数ペア:

[(1, 21126690), (2, 10563345), (3, 7042230), (5, 4225338), (6, 3521115), (9, 2347410), (10, 2112669), (13, 1625130), (15, 1408446), (18, 1173705), (26, 812565), (27, 782470), (30, 704223), (39, 541710), (45, 469482), (54, 391235), (65, 325026), (78, 270855), (90, 234741), (117, 180570), (130, 162513), (135, 156494), (169, 125010), (195, 108342), (234, 90285), (270, 78247), (338, 62505), (351, 60190), (390, 54171), (463, 45630), (507, 41670), (585, 36114), (702, 30095), (845, 25002), (926, 22815), (1014, 20835), (1170, 18057), (1389, 15210), (1521, 13890), (1690, 12501), (1755, 12038), (2315, 9126), (2535, 8334), (2778, 7605), (3042, 6945), (3510, 6019), (4167, 5070), (4563, 4630)]