21887904

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 60201792

約数和(自身を除く): 38313888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 431, 529, 552, 736, 862, 1058, 1104, 1293, 1587, 1724, 2116, 2208, 2586, 3174, 3448, 4232, 5172, 6348, 6896, 8464, 9913, 10344, 12696, 13792, 16928, 19826, 20688, 25392, 29739, 39652, 41376, 50784, 59478, 79304, 118956, 158608, 227999, 237912, 317216, 455998, 475824, 683997, 911996, 951648, 1367994, 1823992, 2735988, 3647984, 5471976, 7295968, 10943952, 21887904]

約数ペア:

[(1, 21887904), (2, 10943952), (3, 7295968), (4, 5471976), (6, 3647984), (8, 2735988), (12, 1823992), (16, 1367994), (23, 951648), (24, 911996), (32, 683997), (46, 475824), (48, 455998), (69, 317216), (92, 237912), (96, 227999), (138, 158608), (184, 118956), (276, 79304), (368, 59478), (431, 50784), (529, 41376), (552, 39652), (736, 29739), (862, 25392), (1058, 20688), (1104, 19826), (1293, 16928), (1587, 13792), (1724, 12696), (2116, 10344), (2208, 9913), (2586, 8464), (3174, 6896), (3448, 6348), (4232, 5172)]