21988425648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1521901}}^1$

素因数の和:1521962

約数の個数: 80

約数和(自身を含む): 66427978496

約数和(自身を除く): 44439552848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1806, 2064, 2408, 3612, 4816, 7224, 14448, 1521901, 3043802, 4565703, 6087604, 9131406, 10653307, 12175208, 18262812, 21306614, 24350416, 31959921, 36525624, 42613228, 63919842, 65441743, 73051248, 85226456, 127839684, 130883486, 170452912, 196325229, 255679368, 261766972, 392650458, 458092201, 511358736, 523533944, 785300916, 916184402, 1047067888, 1374276603, 1570601832, 1832368804, 2748553206, 3141203664, 3664737608, 5497106412, 7329475216, 10994212824, 21988425648]

約数ペア:

[(1, 21988425648), (2, 10994212824), (3, 7329475216), (4, 5497106412), (6, 3664737608), (7, 3141203664), (8, 2748553206), (12, 1832368804), (14, 1570601832), (16, 1374276603), (21, 1047067888), (24, 916184402), (28, 785300916), (42, 523533944), (43, 511358736), (48, 458092201), (56, 392650458), (84, 261766972), (86, 255679368), (112, 196325229), (129, 170452912), (168, 130883486), (172, 127839684), (258, 85226456), (301, 73051248), (336, 65441743), (344, 63919842), (516, 42613228), (602, 36525624), (688, 31959921), (903, 24350416), (1032, 21306614), (1204, 18262812), (1806, 12175208), (2064, 10653307), (2408, 9131406), (3612, 6087604), (4816, 4565703), (7224, 3043802), (14448, 1521901)]